1. McGowan Institute for Regenerative Medicine, University of Pittsburgh Pittsburgh Pennsylvania USA
2. Department of Bioengineering Swanson School of Engineering, University of Pittsburgh Pittsburgh Pennsylvania USA
3. Renerva, LLC Pittsburgh Pennsylvania USA
4. Department of Neurological Surgery University of Pittsburgh School of Medicine, University of Pittsburgh Pittsburgh Pennsylvania USA
5. Department of Clinical Sciences Cornell College of Veterinary Medicine, Cornell University Ithaca New York USA