1. Medical Area, FC Sion, Sion, Switzerland
2. Department of Biomedical Sciences for Health, Università degli Studi di Milano, Milan, Italy
3. FC Internazionale Milano, Milano, Italy
4. Centro di Traumatologia dello Sport e Chirurgia Artroscopica, IRCCS Galeazzi Orthopaedic Institute, Milan, Italy
5. IRCCS Humanitas Research Hospital, Rozzano, Italy