1. School of Medicine & Dentistry The University of Rochester Medical Center Rochester New York USA
2. Department of Orthopaedics & Rehabilitation Penn State Hershey College of Medicine Milton S. Hershey Medical Center Hershey Pennsylvania USA
3. Department of Neurology Penn State Hershey College of Medicine Milton S. Hershey Medical Center Hershey Pennsylvania USA
4. Department of Biomedical Genetics The University of Rochester Medical Center Rochester New York USA