1 The Perelman School of Medicine at the University of Pennsylvania and Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, Pennsylvania (K.H.C.).
2 American Hospital Association and Feinberg School of Medicine at Northwestern University, Chicago, Illinois (J.B.).
3 The Perelman School of Medicine and National Clinician Scholars Program at the University of Pennsylvania, Philadelphia, Pennsylvania (J.M.Z.).