3D bioprinting using a new photo-crosslinking method for muscle tissue restoration.

"Competing interests The authors declare no competing interests."

"This study was supported by the National Research Foundation of Korea (NRF) Grant funded by the Ministry of Science and ICT for Bioinspired Innovation Technology Development Project (NRF-2018M3C1B7021997 and NRF-2021R1A5A8029876 to D.R.) and Basic Science Research Program (NRF-2021R1I1A1A01061021). This study was also supported by a grant from the Ministry of Trade, Industry & Energy (MOTIE, Korea) under Industrial Technology Innovation Program (20009652: Technology on commercialization and materials of Bioabsorbable Hydroxyapatite that is less than micrometer in size). Author contributions: J.Y.Lee: Conceptualization, Data analysis, Methodology, Investigation, Visualization. H.Lee: Data analysis, Methodology, Investigation, Visualization, Writing—original draft. E.J.J.: Data analysis, Investigation. D.R.: Supervision, Data analysis, Writing—original draft, Funding Acquisition. G.H.K.: Supervision, Project administration, Conceptualization, Data analysis, Writing—original draft, Review and editing, Funding acquisition."