1 Wake Forest School of Medicine, Department of Orthopaedic Surgery, Medical Center Blvd, Winston Salem, NC 27157, USA.
2 Windsor University School of Medicine, St. Kitts, West Indies.
3 Wake Forest School of Medicine, Department of Orthopaedic Surgery, Medical Center Blvd, Winston Salem, NC 27157, USA; ; Southeastern Regional Medical Center, Lumberton, NC, USA.