1. Tissue Engineering + Biofabrication Laboratory, Department of Health Sciences & Technology, ETH Zürich, Otto-Stern-Weg 7, 8093 Zürich, Switzerland
2. Laboratory for Biointerfaces, Empa, Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
3. Laboratory of Stem Cell Bioengineering, School of Life Sciences and School of Engineering, EPFL, Lausanne, 1015 Vaud, Switzerland