1. Clinical Orthopaedics, Department of Clinical and Molecular Sciences, Università Politecnica delle Marche, Ancona, Italy.
2. Gelenkpunkt–Sports and Joint Surgery, Innsbruck, Austria.
3. Research Unit for Orthopaedic Sports Medicine and Injury Prevention, Private University for Health Sciences, Medical Informatics and Technology, Innsbruck, Austria.
4. Fowler Kennedy Sport Medicine Clinic, University of Western Ontario, London, Ontario, Canada.
5. Orthopedics and Sports Medicine, Munich, Germany.
6. Football Club FC Bayern München, Munich, Germany.