1 E.M. Miloslavsky, MD, Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts; emiloslavsky@mgh.harvard.edu.
2 B. Marston, MD, Department of Pediatrics, Pediatric Rheumatology, Department of Medicine, Allergy, Immunology, and Rheumatology, University of Rochester Medical Center, Rochester, New York, USA.