1. Center for Shoulder, Elbow and Sports Medicine, Columbia University, New York, New York, USA.
2. University of California, San Francisco, San Francisco, California, USA.
3. Newton-Wellesley Hospital, Massachusetts General Brigham, Newton, Massachusetts, USA.
4. Henry Ford Health, Detroit, Michigan, USA.
5. Medisport Oy, Tampere, Finland.
6. Mayo Clinic, Rochester, Minnesota, USA.