1 Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital, Boston, Mass; Harvard Medical School, Boston, Mass. Electronic address: abanerji@mgh.harvard.edu.
2 Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital, Boston, Mass; Harvard Medical School, Boston, Mass.
3 Harvard Medical School, Boston, Mass; Division of Allergy and Immunology, Department of Medicine, Brigham and Women's Hospital, Boston, Mass.
4 Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital, Boston, Mass.
5 Department of Medicine, Vanderbilt University Medical Center, Nashville, Tenn.
6 Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital, Boston, Mass; Harvard Medical School, Boston, Mass; Edward P. Lawrence Center for Quality and Safety, Massachusetts General Hospital, Boston, Mass.