1. Columbia University Medical Center, Sports Medicine & Shoulder Service, New York, New York, USA.
2. The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts, USA.
3. Faculty of Sports Sciences, Waseda University, Tokyo, Japan.
4. The Orthopedic Institute of New Jersey, Morristown, New Jersey, USA.
5. Division of Sports Medicine, Boston Children’s Hospital, Boston, Massachusetts, USA.