[1] University of Fribourg,Department of Orthopaedic Surgery, HFR – Cantonal Hospital
[2] University of Bern,Department of Orthopaedic Surgery, Inselspital Bern, University Hospital
[3] District Hospital St. Johann in Tirol,Department of Orthopaedic Surgery
[4] University of Bern,Department of Diagnostic
[5] District Hospital St. Johann in Tirol,, Interventional
[6] Balgrist University Hospital, and Pediatric Radiology, Inselspital Bern, University Hospital