1. Department of Orthopedic Surgery, Maimonides Medical Center, Brooklyn, USA
2. Department of Orthopedic Surgery, Case Western Reserve University Hospital, Cleveland, USA
3. Department of Orthopedic Surgery, Northwell Health, Lenox Hill Hospital, New York, USA
4. Holy Cross Hospital, Orthopedic Research Institute, Ft Lauderdale, USA
5. Department of Orthopaedic Surgery, Cleveland Clinic Hospital, Cleveland, USA