1. Sports Trauma Research Unit, Hospital Mehiläinen NEO, Turku, Finland.
2. Sports Medicine Injuries Service, Department of Orthopedic Surgery, Meir General Hospital, Kfar Saba, Israel.
3. Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
4. Department of Surgery, Kanta-Häme Central Hospital, Hämeenlinna, Finland.
5. PEDEGO Research group, OULU University; Oulu University Hospital; Mehiläinen Oulu, Finland.
6. Football club AC Milan, Milan, Italy.