1. Renerva, LLC Pittsburgh Pennsylvania USA
2. Department of Biomedical Sciences, Section of Anatomic Pathology College of Veterinary Medicine, Cornell University Ithaca New York USA
3. Division of Plastic and Reconstructive Surgery, Department of Surgery Washington University, St. Louis School of Medicine St. Louis Missouri USA
4. Department of Neurosurgery, Clinical Neurosciences Center University of Utah Salt Lake City Utah USA
5. Department of Clinical Sciences, Cornell College of Veterinary Medicine Cornell University Ithaca New York USA
6. McGowan Institute for Regenerative Medicine University of Pittsburgh Pittsburgh Pennsylvania USA
7. Department of Bioengineering, Swanson School of Engineering University of Pittsburgh Pittsburgh Pennsylvania USA