1. Fischell Department of Bioengineering, University of Maryland, College Park, Maryland, USA.
2. Department of Bioengineering, Rice University, Houston, Texas, USA.
3. Institute of Biomedical Engineering, Department for Medical Technologies and Regenerative Medicine, Eberhard Karls University, Tübingen, Tübingen, Germany.
4. NMI Natural and Medical Sciences Institute at the University Tübingen, Reutlingen, Germany.
5. Department of Bioengineering, Hanyang University, Seoul, South Korea.
6. Department of Regenerative Biomaterials, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands.
7. School of Materials Science and Engineering, Institute for Regenerative Medicine and Biomimetic Materials, Tsinghua University, Beijing, China.