1. From the Department of Anesthesiology (M.W.N., S.E.H., M.D.M., W.S.S., B.S.), and the Department of Biostatistics (Y.S., M.S.S.), Vanderbilt University Medical Center, Nashville, Tennessee; the Department of Anesthesiology, Africa Inland Church (AIC) Kijabe Hospital, Kijabe, Kenya (M.W.N., J.K.); and the Department of Anesthesiology, University of Nairobi, Kenyatta National Hospital, Nairobi, Ken