1. From the University of Georgia College of Pharmacy (D.B.C., S.P.O.) and Phoebe Putney Memorial Hospital (J.S.C.), Albany, and the University of Georgia College of Pharmacy, Athens (H.N.Y.); the Division of Infectious Diseases, University of Colorado, Anschutz Medical Campus, Aurora (A.F.H.-M., C.F.-P.); and the Hospital Infantil de México, Federico Gómez, México City (C.F.-P.).