Affiliation: | 1. Swedish Hip Arthroplasty Register, Gothenburg, Sweden 2. Harris Orthopaedic Laboratory, Massachusetts General Hospital, 55 Fruit Street, GRJ 1126, Boston, MA, 02114, USA 3. Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden 4. Department of Orthopaedics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden 5. Department of Clinical Sciences at Danderyd Hospital, Karolinska Institute, Stockholm, Sweden
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