1. Department of Medicine (A.A., J.H.W., N.P., R.T., R.B.W.), Massachusetts General Hospital and Harvard Medical School, Boston.
2. Division of General Internal Medicine and Primary Care, Brigham and Woman’s Hospital and Harvard Medical School, Boston, MA (A.C., D.H., R.B., M.S., D.L.).
3. Cardiology Division (J.H.W., R.B.W.), Massachusetts General Hospital and Harvard Medical School, Boston.
4. Harvard Medical School, Boston, MA (C.M.).
5. Allergy and Immunology Division (N.P.), Massachusetts General Hospital and Harvard Medical School, Boston.