1. SerenaGroup® Research Foundation, Cambridge, MA 02140, USA
2. Kent State University College of Podiatric Medicine, Independence, OH 44131, USA
3. Barry University School of Podiatry Medicine, North Miami Beach, FL 33168, USA
4. D & P Medical Group, Pittsburgh, PA 15237, USA
5. Martin Foot & Ankle, York, PA 17402, USA
6. Organogenenis, Inc, Canton, MA 02021, USA
7. Sabolinski LLC, Franklin, MA 02038, USA