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