1. Sports Medical Research GroupDepartment of OrthopaedicsBalgrist University HospitalUniversity of Zurich Zurich Switzerland
2. University Centre for Prevention and Sports MedicineDepartment of OrthopaedicsBalgrist University HospitalUniversity of Zurich Zurich Switzerland
3. Team Shoulder & ElbowDepartment of OrthopaedicsBalgrist University HospitalUniversity of Zurich Zurich Switzerland