1. Section of Orthopaedics, Department of Surgical SciencesUppsala University Hospital Uppsala Sweden
2. Swedish Hip Arthroplasty Register Goteborg Sweden
3. Karolinska Institutet, Department of Clinical Sciences at Danderyd HospitalDivision of Orthopaedics Stockholm Sweden
4. Danderyd University Hospital Corporation, Department of Orthopaedics Stockholm Sweden
5. Department of Orthopaedics, Institute of Clinical SciencesThe Sahlgrenska Academy, University of Gothenburg Gothenburg Sweden
6. Uppsala Clinical Research CenterUppsala Science Park Uppsala Sweden
7. King's College London, School of Cancer and Pharmaceutical SciencesTranslational Oncology & Urology Research (TOUR) London United Kingdom