[1] Harvard Medical School,Department of Orthopaedic Surgery
[2] Massachusetts General Hospital,Department of Orthopaedic Surgery, Harris Orthopaedics Laboratory
[3] Danderyd Hospital,Karolinska Institutet, Department of Clinical Sciences
[4] Kanazawa Medical University,Department of Orthopaedic Surgery
[5] Danderyd Hospital,Department of Orthopaedic Surgery
[6] Sahlgrenska University Hospital,Department of Orthopaedic Surgery