1. Bioreactor Group, Berlin‐Brandenburg Center for Regenerative Therapies (BCRT) Charité – Universitätsmedizin Berlin Berlin Germany
2. Department of Surgery, Keck School of Medicine University of Southern California Los Angeles California
3. StemCell Systems GmbH Berlin Germany
4. Tissue Engineering Laboratory, Berlin‐Brandenburg Center for Regenerative Therapies (BCRT), Department of Rheumatology and Clinical Immunology Charité – Universitätsmedizin Berlin Berlin Germany
5. Division of Biotechnology, Department of Physics, Chemistry and Biology (IFM) Linköping University Linköping Sweden