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.A.F., M.C.M.)
4. University of Illinois College of Medicine at Urbana-Champaign, Champaign, Illinois (J.A.J.)
5. Portland VA Medical Center, Portland, Oregon (A.O.)
6. Portland Veterans Affairs Medical Center and Oregon Health & Science University, Portland, Oregon (L.L.H.).