1. American College of Physicians, Philadelphia, Pennsylvania (A.Q.)
2. American College of Physicians, Philadelphia, and Villanova University, Villanova, Pennsylvania (J.Y.)
3. Penn Medicine, Philadelphia, Pennsylvania (M.C.M., M.A.F.)
4. University of Connecticut, Mansfield, Connecticut (R.A.)
5. University of Illinois College of Medicine at Urbana-Champaign, Champaign, Illinois (J.A.J.)
6. University of Massachusetts Medical School and Saint Vincent Hospital, Worcester, Massachusetts (G.M.A.)
7. Portland Veterans Affairs Medical Center and Oregon Health & Science University, Portland, Oregon (L.L.H.).