1. Department of Clinical Genetics; University and Regional Laboratories, Lund University; Lund; Sweden
2. Department of Orthopedics; Skåne University Hospital, Lund University; Lund; Sweden
3. Department of Orthopedics; Karolinska University Hospital; Solna; Sweden
4. Department of Pathology; University and Regional Laboratories; Lund University; Lund; Sweden
5. Department of Pathology; Karolinska University Hospital; Solna; Sweden
6. Department of Pathology; KU Leuven and University Hospitals; Leuven; Belgium
7. Center for Human Genetics, KU Leuven and University Hospitals; Leuven; Belgium
8. Department of Pathology; Brigham and Women's Hospital, Harvard Medical School; Boston; USA