1. Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, New York, USA.
2. Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, New York, USA.
3. Department of Imaging Sciences, University of Rochester Medical Center, Rochester, New York, USA.
4. Department of Radiology, University of Colorado Anschutz Medical Center, Aurora, Colorado, USA.
5. Department of Orthopaedics, Pediatric Rheumatology, University of Rochester Medical Center, Rochester, New York, USA.
6. Division of Allergy, Immunology, and Rheumatology, Department of Medicine, Pediatric Rheumatology, University of Rochester Medical Center, Rochester, New York, USA.
7. Department of Pediatrics, Pediatric Rheumatology, University of Rochester Medical Center, Rochester, New York, USA.