1. From the University of California San Francisco, School of Nursing, San Francisco (K.D., S.M.P., S.R.); University of Kentucky, College of Nursing, Lexington (D.K.M.); University of Nevada, Reno (M.M.P.); University of California, School of Medicine, Davis (T.S.N., J.S.); and National Heart, Lung and Blood Institute, Bethesda, MD (L.S.C.).