1. Department of Orthopaedic Surgery, Division of Sports Medicine, Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, USA, IL
2. Department of Orthopedic Surgery, Johns Hopkins University School of Medicine, Baltimore, USA, MD
3. Department of Orthopaedic Surgery, Faculty of Medicine, Acibadem University, Istanbul, Turkey
4. Department of Orthopedic Surgery, Hospital for Special Surgery, New York City, USA, NY