1. College of Medicine, State University of New York (SUNY) Downstate, Brooklyn, NY, USA
2. Brooklyn College of the City University of New York, Brooklyn, NY, USA
3. Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, OH, USA
4. Department of Orthopaedic Surgery, University of Connecticut, Hartford, CT, USA
5. Department of Neurosurgery, Rutgers University, Newark, NJ, USA
6. Department of Neurosurgery, Mount Sinai School of Medicine, New York, NY, USA
7. Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA, USA
8. Maimonides Medical Center, Department of Orthopaedic Surgery, Brooklyn, NY, USA