1.    Pati F, Jang J, Ha DH, et al., 2014, Printing three-dimensional tissue analogues with decellularized extracellular matrix bioink, Nature Communications, vol. 5(5935): 1-5.
2.    Jung JW, Lee JS, Cho DW 2016, Computer-aided multiple-head 3D printing system for printing of heterogeneous organ/tissue constructs, Scientific Reports, doi. 02/22/online 2016;6:21685.
3.    Bandyopadhyay A, Bose S, Das S 2015, 3D printing of biomaterials, MRS Bulletin, vol. 40(02): 108-115.
4.    Mironov V, Reis N, Derby B 2006, Review: bioprinting: a beginning, Tissue Engineering, vol.12(4): 631-634.
5.    Seol YJ, Kang HW, Lee SJ, et al., 2014, Bioprinting technology and its applications. European Journal of Cardio-Thoracic Surgery, vol. 46(3): 342-348.
6.    Schon BS, Hooper GJ, Woodfield TBF 2016, Modular Tissue Assembly Strategies for Biofabrication of Engineered Cartilage, Annals of Biomedical Engineering, vol. 1: 1-15.
7.    Hendow EK, Guhmann P, Wright B, et al., 2016, Biomaterials for hollow organ tissue engineering, Fibrogenesis & Tissue Repair, vol. 9(1): 1-7.
8.     Varner VD, Nelson CM 2014, Toward the Directed Self-Assembly of Engineered Tissues, Annual Review of Chemical and Biomolecular Engineering, vol. 5(1): 507-526.
9.    Kundu J, Shim JH, Jang J, et al., 2015, An additive manufacturing-based PCL–alginate–chondrocyte bioprinted scaffold for cartilage tissue engineering, Journal of Tissue Engineering and Regenerative Medicine, vol. 9(11): 1286-1297.
10.    Sundaramurthi D, Krishnan UM, Sethuraman S 2014, Electrospun nanofibers as scaffolds for skin tissue engineering, Polymer Reviews. vol. 54(2): 348-376.
11.    Seol YJ, Kang TY, Cho DW 2012, Solid freeform fabrication technology applied to tissue engineering with various biomaterials, Soft Matter, vol. 8(6): 1730-1735.
12.    Lee JW 2015, 3D nanoprinting technologies for tissue engineering applications, Journal of Nanomaterials, vol. 2015(213521): 1-14.
13.    Thavornyutikarn B, Chantarapanich N, Sitthiseripratip K, et al., 2014, Bone tissue engineering scaffolding: computer-aided scaffolding techniques, Progress in Biomaterials, vol. 3(2-4): 61-102.
14.    Ma X, Qu X, Zhu W, et al., 2016, Deterministically patterned biomimetic human iPSC-derived hepatic model via rapid 3D bioprinting, Proceedings of the National Academy of Sciences, vol. 113(8): 2206-2211.
15.    Ahu AY, Rami El A, Pu C, et al., 2016, Towards artificial tissue models: past, present, and future of 3D bioprinting, Biofabrication, vol. 8(1): 014103.
16.    Hyungseok L, James JY, Hyun Wook K, et al., 2016, Investigation of thermal degradation with extrusion-based dispensing modules for 3D bioprinting technology, Biofabrication, vol. 8(1): 015011.
17.    Chang CC, Boland ED, Williams SK, et al., 2011, Direct‐write bioprinting three‐dimensional biohybrid systems for future regenerative therapies, Journal of Biomedical Materials Research Part B: Applied Biomaterials, vol. 98(1): 160-170.
18.    Smith CM, Stone AL, Parkhill RL, et al., 2004, Three-dimensional bioassembly tool for generating viable tissue-engineered constructs, Tissue Engineering, vol. 10(9-10): 1566-1576.
19.    Murphy SV, Atala A 2014, 3D bioprinting of tissues and organs, Nature Biotechnology, vol. 32(8): 773-785.
20.    Chang CC, Boland ED, Williams SK, et al., 2011, Direct-write bioprinting three-dimensional biohybrid systems for future regenerative therapies, Journal of Biomedical Materials Research Part B: Applied Biomaterials, vol. 98B(1): 160-170.
21.    Ozbolat IT, Hospodiuk M 2016, Current advances and future perspectives in extrusion-based bioprinting, Biomaterials, vol. 76: 321-343.
22.    Cui X, Boland T, D’Lima DD, et al., 2012, Thermal inkjet printing in tissue engineering and regenerative medicine, Recent Patents on Drug Delivery & Formulation, vol. 6(2): 149-155.
23.    Catros S, Fricain JC, Guillotin B, et al., 2011, Laser-assisted bioprinting for creating on-demand patterns of human osteoprogenitor cells and nano-hydroxyapatite, Biofabrication, vol. 3(2): 025001.
24.    Kim JD, Choi JS, Kim BS, et al., 2010, Piezoelectric inkjet printing of polymers: stem cell patterning on polymer substrates, Polymer, vol. 51(10): 2147-2154.
25.    Duan B 2016, State-of-the-Art Review of 3D Bioprinting for Cardiovascular Tissue Engineering, Annals of Biomedical Engineering, vol. 1: 1-15.
26.    Dababneh AB, Ozbolat IT 2014, Bioprinting technology: a current state-of-the-art review, Journal of Manufacturing Science and Engineering, vol. 136(6): 061016.
27.    Wüst S, Müller R, Hofmann S 2011, Controlled positioning of cells in biomaterials—approaches towards 3D tissue printing, Journal of Functional Biomaterials, vol. 2(3): 119-154.
28.    Khalil S, Nam J, Sun W 2015, Multi-nozzle deposition for construction of 3D biopolymer tissue scaffolds, Rapid Prototyping Journal, vol. 11(1): 9-17.

29.    Jose RR, Rodriguez MJ, Dixon TA, et al., 2016, Evolution of Bioinks and Additive Manufacturing Technologies for 3D Bioprinting, ACS Biomaterials Science & Engineering, doi. 10.1021/acsbiomaterials.6b00088.
30.    Campbell PG, Miller ED, Fisher GW, et al., 2005, Engineered spatial patterns of FGF-2 immobilized on fibrin direct cell organization, Biomaterials, vol. 26(33): 6762-6770.
31.    Duarte Campos DF, Blaeser A, Buellesbach K, et al., 2016, Bioprinting Organotypic Hydrogels with Improved Mesenchymal Stem Cell Remodeling and Mineralization Properties for Bone Tissue Engineering, Advanced Healthcare Materials, doi. 10.1002/adhm.201501033.
32.    Sobral JM, Caridade SG, Sousa RA, et al., 2011, Three-dimensional plotted scaffolds with controlled pore size gradients: effect of scaffold geometry on mechanical performance and cell seeding efficiency, Acta Biomaterialia, vol. 7(3): 1009-1018.
33.    Mironov V, Visconti RP, Kasyanov V, et al., 2009, Organ printing: tissue spheroids as building blocks, Biomaterials, vol. 30(12): 2164-2174.
34.    Zhang X, Zhang Y 2015, Tissue engineering applications of three-dimensional bioprinting, Cell Biochemistry and Biophysics, vol. 72(3): 777-782.
35.    Peltola SM, Melchels FP, Grijpma DW, et al., 2008, A review of rapid prototyping techniques for tissue engineering purposes, Annals of Medicine, vol. 40(4): 268-280.
36.    Khalil S, Nam J, Sun W 2005, Multinozzle deposition for construction of 3D biopolymer tissue scaffolds, Rapid Prototyping Journal, vol. 11(1): 9-17.
37.    Khalil S, Sun W 2007, Biopolymer deposition for freeform fabrication of hydrogel tissue constructs, Materials Science and Engineering: C, vol. 27(3): 469-478.
38.    Yu Z, Yang L, Shuangshuang M, et al., 2015, The influence of printing parameters on cell survival rate and printability in microextrusion-based 3D cell printing technology, Biofabrication, vol. 7(4): 045002.
39.    Jungst T, Smolan W, Schacht K, et al., 2015, Strategies and molecular design criteria for 3D printable hydrogels, Chemical Reviews, vol. 116(3): 1496-1539.
40.    Duan B, Hockaday LA, Kang KH, et al., 2013, 3D bioprinting of heterogeneous aortic valve conduits with alginate/gelatin hydrogels, Journal of Biomedical Materials Research Part A, vol. 101(5): 1255-1264.
41.    Knowlton S, Onal S, Yu CH, et al., 2015, Bioprinting for cancer research, Trends in Biotechnology, vol. 33(9): 504-513.
42.    Skardal A, Zhang J, Prestwich GD 2010, Bioprinting vessel-like constructs using hyaluronan hydrogels crosslinked with tetrahedral polyethylene glycol tetracrylates, Biomaterials, vol. 31(24): 6173-6181.
43.    Mohebi MM, Evans JR 2002, A drop-on-demand ink-jet printer for combinatorial libraries and functionally graded ceramics, Journal of Combinatorial Chemistry, vol. 4(4): 267-274.
44.    Wilson WC, Boland T 2003, Cell and organ printing 1: protein and cell printers, The Anatomical Record Part A: Discoveries in Molecular, Cellular, and Evolutionary Biology, vol. 272A(2): 491-496.
45.    Gao G, Yonezawa T, Hubbell K 2015, Inkjet-bioprinted acrylated peptides and PEG hydrogel with human mesenchymal stem cells promote robust bone and cartilage formation with minimal printhead clogging, Biotechnology Journal, vol. 10(10): 1568-1577.
46.    Pervan D, Pervan T 2014, Digital printing with transparent blank ink: Google Patents, WO2014109702.
47.    Tekin E, Smith PJ, Schubert US 2008, Inkjet printing as a deposition and patterning tool for polymers and inorganic particles, Soft Matter, vol. 4(4): 703-713.
48.    Cui X, Dean D, Ruggeri ZM, et al., 2010, Cell damage evaluation of thermal inkjet printed Chinese hamster ovary cells, Biotechnology and Bioengineering, vol. 106(6): 963-969.
49.    Demirci U, Montesano G 2007, Single cell epitaxy by acoustic picolitre droplets, Lab on a Chip, vol. 7(9): 1139-1145.
50.    Cui X, Boland T, D’Lima DD, 2012, Thermal inkjet printing in tissue engineering and regenerative medicine, Recent Pat Drug Deliv Formul, vol. 6(2): 149-155.
51.    Hudson KR, Cowan PB, Gondek JS 2000, Ink drop volume variance compensation for inkjet printing, Google Patents, US6042211A.
52.    De Gans BJ, Schubert US 2004, Inkjet printing of well-defined polymer dots and arrays, Langmuir, vol. 20(18): 7789-7793.
53.    Cui X, Boland T 2009, Human microvasculature fabrication using thermal inkjet printing technology, Biomaterials, vol. 30(31): 6221-6227.
54.    Guillotin B, Catros S, Guillemot F 2013, Laser assisted bio-printing (LAB) of cells and biomaterials based on laser induced forward transfer (LIFT). In: Schmidt V, Belegratis MR, eds. Laser Technology in Biomimetics, Springer, Berlin Heidelberg, 193-209.
55.    Guillotin B, Souquet A, Catros S, et al., 2010, Laser assisted bioprinting of engineered tissue with high cell density and microscale organization, Biomaterials, vol. 31(28): 7250-7256.
56.    Koch L, Gruene M, Unger C, et al., 2013, Laser assisted cell printing. Current Pharmaceutical Biotechnology, vol. 14(1): 91-97.
57.    Larson C, Shepherd R, 2016, 3D Bioprinting Technologies for Cellular Engineering. In: Singh A, Gaharwar KA, eds. Microscale Technologies for Cell Engineering. Cham: Springer International Publishing, UK, 69-89.
58.    Ng WL, Yeong WY, Naing MW 2016, Polyelectrolyte gelatin-chitosan hydrogel optimized for 3D bioprinting in skin tissue engineering, International Journal of Bioprinting, vol. 2(1): 1-10.
59.    Zhu W, Ma X, Gou M, et al., 2016, 3D printing of functional biomaterials for tissue engineering, Current Opinion in Biotechnology, vol. 40: 103-112.
60.    Guillotin B, Souquet A, Catros S, et al., 2010, Laser assisted bioprinting of engineered tissue with high cell density and microscale organization, Biomaterials, vol. 31(28): 7250-7256.
61.    Pagès E, Rémy M, Kériquel V, et al., 2015, Creation of highly defined mesenchymal stem cell patterns in three dimensions by laser-assisted bioprinting, Journal of Nanotechnology in Engineering and Medicine, vol. 6(2): 0210061-0210065.
62.    Michael S, Sorg H, Peck CT, et al., 2013, Tissue engineered skin substitutes created by laser-assisted bioprinting form skin-like structures in the dorsal skin fold chamber in mice, Plos One, vol. 8(3): e57741.
63.    Kesti M, Eberhardt C, Pagliccia G, et al., 2015, Bioprinting complex cartilaginous structures with clinically compliant biomaterials, Advanced Functional Materials, vol. 25: 7406-7416.
64.    Lozano R, Stevens L, Thompson BC, et al., 2015, 3D printing of layered brain-like structures using peptide modified gellan gum substrates, Biomaterials, vol. 67: 264-273.
65.    Gaetani R, Doevendans PA, Metz CHG, et al., 2012, Cardiac tissue engineering using tissue printing technology and human cardiac progenitor cells, Biomaterials, vol. 33(6): 1782-1790.
66.    Gao G, Cui X 2015, Three-dimensional bioprinting in tissue engineering and regenerative medicine, Biotechnology Letters, vol. 38(2): 203-211.
67.    Skardal A, Mack D, Kapetanovic E, et al., 2012, Bioprinted amniotic fluid-derived stem cells accelerate healing of large skin wounds, Stem Cells Translational Medicine, vol. 1(11): 792-802.
68.    Cui X, Breitenkamp K, Finn MG, et al., 2012, Direct human cartilage repair using three-dimensional bioprinting technology, Tissue Engineering. Part A. vol. 18(11-12): 1304-1312.
69.    Kang HW, Lee SJ, Ko IK, et al., 2016, A 3D bioprinting system to produce human-scale tissue constructs with structural integrity, Nature Biotechnology, vol. 34: 312-319.
70.    Mironov V, Kasyanov V, Markwald RR 2011, Organ printing: from bioprinter to organ biofabrication line, Current Opinion in Biotechnology, vol. 22(5): 667-673.
71.    Williams SK, Touroo JS, Church KH, et al., 2013, Encapsulation of adipose stromal vascular fraction cells in alginate hydrogel spheroids using a direct-write three-dimensional printing system, BioResearch Open Access, vol. 2(6): 448-454.
72.    Loo Y, Lakshmanan A, Ni M, et al., 2015, Peptide bioink: self-assembling nanofibrous scaffolds for three-dimensional organotypic cultures, Nano Letters, vol. 15(10): 6919-6925.
73.    Talbot E, Berson A, Brown P, et al., 2012, Evaporation of picoliter droplets on surfaces with a range of wettabilities and thermal conductivities, Physical Review E, vol. 85(6): 061604.
74.    Williams DF 2008, On the mechanisms of biocompatibility, Biomaterials, vol. 29(20): 2941-2953.
75.    West JL, Hubbell JA 1999, Polymeric biomaterials with degradation sites for proteases involved in cell migration, Macromolecules, vol. 32(1): 241-244.
76.    Karp JM, Yeh J, Eng G, et al., 2007, Controlling size, shape and homogeneity of embryoid bodies using poly (ethylene glycol) microwells, Lab on a Chip, vol. 7(6): 786-794.
77.    Ahn S, Lee H, Bonassar LJ, et al., 2012, Cells (MC3T3-E1)-laden alginate scaffolds fabricated by a modified solid-freeform fabrication process supplemented with an aerosol spraying, Biomacromolecules, vol. 13(9): 2997-3003.
78.    Gaole D, Wenfeng W, Yuliang Z, et al., 2016, Controllable 3D alginate hydrogel patterning via visible-light induced electrodeposition, Biofabrication, vol. 8(2): 025004.
79.    LeRoux MA, Guilak F, Setton LA 1999, Compressive and shear properties of alginate gel: effects of sodium ions and alginate concentration, Journal of Biomedical Materials Research, vol. 47(1): 46-53.
80.    Song SJ, Choi J, Park YD, et al., 2011, Sodium alginate hydrogel-based bioprinting using a novel multinozzle bioprinting system, Artificial Organs, vol. 35(11): 1132-1136.
81.    Jia J, Richards DJ, Pollard S, et al., 2014, Engineering alginate as bioink for bioprinting, Acta Biomaterialia, vol. 10(10): 4323-4331.
82.    Lee JB, Wang X, Faley S, et al., 2016, Development of 3D Microvascular Networks Within Gelatin Hydrogels Using Thermoresponsive Sacrificial Microfibers, Advanced Healthcare Materials, vol. 5(7): 781-785.
83.    Bocquier AA, Potts JR, Pickford AR, et al., 1999, Solution structure of a pair of modules from the gelatin-binding domain of fibronectin, Structure, vol. 7(12): 1451-S1453.
84.    Sawatjui N, Damrongrungruang T, Leeanansaksiri W, et al., 2015, Silk fibroin/gelatin–chondroitin sulfate–hyaluronic acid effectively enhances in vitro chondrogenesis of bone marrow mesenchymal stem cells, Materials Science and Engineering: C, vol. 52: 90-96.
85.    Billiet T, Gevaert E, De Schryver T, et al., 2014, The 3D printing of gelatin methacrylamide cell-laden tissue-engineered constructs with high cell viability, Biomaterials, vol. 35(1): 49-62.
86.    Schuurman W, Levett PA, Pot MW, et al., 2013, Gelatin-methacrylamide hydrogels as potential biomaterials for fabrication of tissue-engineered cartilage constructs, Macromolecular Bioscience, vol. 13(5): 551-561.
87.    Pescosolido L, Schuurman W, Malda J, et al., 2011, Hyaluronic acid and dextran-based semi-ipn hydrogels as biomaterials for bioprinting, Biomacromolecules, vol. 12(5): 1831-1838.
88.    Skardal A, Zhang J, McCoard L, et al., 2010, Photocrosslinkable hyaluronan-gelatin hydrogels for two-step bioprinting, Tissue Engineering Part A, vol. 16(8): 2675-2685.
89.    Zhao Y, Li Y, Mao S, et al., 2015, The influence of printing parameters on cell survival rate and printability in microextrusion-based 3D cell printing technology, Biofabrication, vol. 7(4): 045002.
90.    Ghosh S, Parker ST, Wang X, 2008, Direct-write assembly of microperiodic silk fibroin scaffolds for tissue engineering applications, Advanced Functional Materials, vol. 18(13): 1883-1889.
91.    Das S, Pati F, Choi YJ, et al., 2015, Bioprintable, cell-laden silk fibroin–gelatin hydrogel supporting multilineage differentiation of stem cells for fabrication of three-dimensional tissue constructs, Acta Biomaterialia, vol. 11: 233-246.
92.    Das S, Pati F, Chameettachal S, et al., 2013, Enhanced redifferentiation of chondrocytes on microperiodic silk/gelatin scaffolds: toward tailor-made tissue engineering, Biomacromolecules, vol. 14(2): 311-321.
93.    Lutolf MP, Hubbell JA 2005, Synthetic biomaterials as instructive extracellular microenvironments for morphogenesis in tissue engineering, Nature Biotechnology, vol. 23(1): 47-55.
94.    Pirlo RK, Wu P, Liu J, et al., 2012, PLGA/hydrogel biopapers as a stackable substrate for printing HUVEC networks via BioLP™, Biotechnology and Bioengineering, vol. 109(1): 262-273.
95.    Cui X, Breitenkamp K, Finn MG, et al., 2012, Direct human cartilage repair using three-dimensional bioprinting technology, Tissue Engineering Part A, vol. 18(11-12): 1304-1312.
96.    Rosenzweig DH, Carelli E, Steffen T, et al., 2015, 3D-printed ABS and PLA scaffolds for cartilage and nucleus pulposus tissue regeneration, International Journal of Molecular Sciences, vol. 16(7): 15118-15135.
97.    Holländer J, Genina N, Jukarainen H, et al., 2016, Three-Dimensional Printed PCL-Based Implantable Prototypes of Medical Devices for Controlled Drug Delivery, Journal of Pharmaceutical Sciences, doi. 10.1016/j.xphs.2015.12.012.
98.    Loo Y, Hauser CA 2015, Bioprinting synthetic self-assembling peptide hydrogels for biomedical applications, Biomedical Materials, vol. 11(1): 014103.
99.    Hauser CAE, Deng R, Mishra A, et al., 2011, Natural tri- to hexapeptides self-assemble in water to amyloid β-type fiber aggregates by unexpected α-helical intermediate structures, Proceedings of the National Academy of Sciences, vol. 108(4): 1361-1366.
100.    Mishra A, Loo Y, Deng R, et al., 2011, Ultrasmall natural peptides self-assemble to strong temperature-resistant helical fibers in scaffolds suitable for tissue engineering, Nano Today, vol. 6(3): 232-239.
101.    Hong S, Sycks D, Chan HF, et al., 2015, 3D printing of highly stretchable and tough hydrogels into complex, cellularized structures, Advanced Materials, vol. 27(27): 4035-4040.
102.    Lee V, Singh G, Trasatti JP, et al., 2013, Design and fabrication of human skin by three-dimensional bioprinting, Tissue Engineering Part C: Methods, vol. 20(6): 473-484.
103.    Cooper GM, Miller ED, DeCesare GE, et al., 2009, Inkjet-based biopatterning of bone morphogenetic protein-2 to spatially control calvarial bone formation, Tissue Engineering Part A, vol. 16(5): 1749-1759.
104.    Hsieh FY, Lin HH, Hsu SH 2015, 3D bioprinting of neural stem cell-laden thermoresponsive biodegradable polyurethane hydrogel and potential in central nervous system repair, Biomaterials, vol. 71: 48-57.
105.    Alan FJ, Catherine F, Dirk Jan C, et al., 2015, Bioprinting of human pluripotent stem cells and their directed differentiation into hepatocyte-like cells for the generation of mini-livers in 3D, Biofabrication, vol. 7(4): 044102.
106.    Tirella A, Vozzi F, De Maria C, et al., 2011, Substrate stiffness influences high resolution printing of living cells with an ink-jet system, Journal of Bioscience and Bioengineering, vol. 112(1): 79-85.
107.    Cui X, Breitenkamp K, Finn M, et al., 2012, Direct human cartilage repair using three-dimensional bioprinting technology, Tissue Engineering Part A, vol. 18(11-12): 1304-1312.
108.    Shanjani Y, Pan CC, Elomaa L, et al., 2015, A novel bioprinting method and system for forming hybrid tissue engineering constructs, Biofabrication, vol. 7(4): 045008.
109.    Mingchun D, Bing C, Qingyuan M, et al., 2015, 3D bioprinting of BMSC-laden methacrylamide gelatin scaffolds with CBD-BMP2-collagen microfibers, Biofabrication, vol. 7(4): 044104.
110.    Blaeser A, Duarte Campos DF, Puster U, et al., 2015, Controlling shear stress in 3D bioprinting is a key factor to balance printing resolution and stem cell integrity, Advanced Healthcare Materials, vol. 5(3): 326-333.
111.    Colosi C, Shin SR, Manoharan V, et al., 2015, Microfluidic bioprinting of heterogeneous 3D tissue constructs using low-viscosity bioink, Advanced Materials, vol. 28: 677-684.
112.    Marchioli G, van Gurp L, van Krieken P, et al., 2015, Fabrication of three-dimensional bioplotted hydrogel scaffolds for islets of Langerhans transplantation, Biofabrication, vol. 7(2): 025009.
113.    Liliang O, Rui Y, Shuangshuang M, et al., 2015, Three-dimensional bioprinting of embryonic stem cells directs highly uniform embryoid body formation, Biofabrication, vol. 7(4): 044101.
114.    Wang M, He J, Liu Y, et al., 2015, The trend towards in vivo bioprinting, International Journal of Bioprinting, vol. 1(1): 15-26.
115.    Keriquel V, Guillemot F, Arnault I, et al., 2010, In vivo bioprinting for computer-and robotic-assisted medical intervention: preliminary study in mice, Biofabrication, vol. 2(1): 014101.
116.     Knowlton S, Onal S, Yu CH, et al., 2015,  Bioprinting for cancer research, Trends in Biotechnology, vol. 33(9): 504-513.
117.    Gao B, Yang Q, Zhao X, et al., 2016, 4D Bioprinting for Biomedical Applications, Trends in Biotechnology, doi. 10.1016/j.tibtech.2016.03.004.