Affiliation: | 1. Department of Molecular Medicine and Surgery, Section of Orthopaedics and Sports Medicine, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden;2. Department of Medicine, Clinical Epidemiology Unit, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden;3. Clinical Epidemiology and Biostatistics Unit, Örebro University Hospital, Örebro, Sweden;4. Department of Medicine, Clinical Pharmacology Unit, Karolinska University Hospital, Karolinska Institutet, Stockholm, Sweden;5. Department of Radiology, Innsbruck Medical University, Innsbruck, Austria |