1. John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02134, USA
2. Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA
3. Department of Biology, Drexel University, Philadelphia, PA 19104, USA
4. Leni & Peter W. May Department of Orthopedics, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
5. Department of Physiology and Biophysics, College of Medicine, University of Illinois at Chicago, Chicago, Illinois 60612, USA
6. Department of Bioengineering, Department of Pathology, McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA 15219, USA
7. Wellcome Centre for Cell-Matrix Research, Division of Cell Matrix Biology and Regenerative Medicine, Faculty of Biology, Medicine & Health, University of Manchester, Manchester M13 9PT, UK
8. Department of Pediatrics, University of Cincinnati, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
9. American Society for Matrix Biology, Rockville, MD 20852, USA