1. Schulthess Clinic; FIFA-Medical Assessment and Research Center (F-MARC); Zurich Switzerland
2. Department of Orthopaedics; Balgrist University Hospital; University of Zurich; Zurich Switzerland
3. Fédération Internationale de Football Association; Zurich Switzerland
4. Department of Neurology; Schulthess Clinic; Zurich Switzerland
5. Department of Radiology; Balgrist University Hospital; University of Zurich; Zurich Switzerland