Affiliations

• ¹ Department of Orthopaedic Surgery, UPMC Freddie Fu Sports Medicine Center, University of Pittsburgh Medical Center, 3200 South Water Street, Pittsburgh, PA, 15203, USA.
• ² Department of Orthopaedic Sport Medicine, Technical University Munich, Munich, Germany.
• ³ Department of Orthopedic Surgery, Oslo University Hospital, Oslo, Norway.
• ⁴ Division of Orthopaedic Surgery, McMaster University, Hamilton, Canada.
• ⁵ Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, USA.
• ⁶ Emory University School of Medicine, Brookhaven, GA, USA.
• ⁷ Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
• ⁸ Department of Orthopaedic Surgery, UPMC Freddie Fu Sports Medicine Center, University of Pittsburgh Medical Center, 3200 South Water Street, Pittsburgh, PA, 15203, USA. musahlv@upmc.edu.
• ⁹ Department of Trauma Surgery, University Hospital Zurich, Zurich, Switzerland.
• ¹⁰ Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD, USA.