1. Department Biomaterials; Max Planck Institute of Colloids and Interfaces; Potsdam Germany
2. Department of Biological Sciences; California State University Long Beach; Long Beach CA USA
3. Division of Clinical and Functional Anatomy; Medical University of Innsbruck; Innsbruck Austria
4. Julius Wolff Institute; Berlin-Brandenburg Center for Regenerative Therapies (BCRT); Charité Universitätsmedizin Berlin; Berlin Germany
5. Wyss Institute for Biologically Inspired Engineering; Harvard University; Cambridge MA USA