Corrigendum to "One step fabrication of hydrogel microcapsules with hollow core for assembly and cultivation of hepatocyte spheroids" [Acta Biomater. 50 (2017) 428–436]. (15th April 2018) - Siltanen, Christian; Diakatou, Michalitsa; Lowen, Jeremy; Haque, Amranul; Rahimian, Ali; Stybayeva, Gulnaz; Revzin, Alexander