Affiliation: | 1. Center for Clinical Epidemiology and Biostatistics, University of Pennsylvania, Philadelphia, Pennsylvania;2. Department of Infectious Diseases, Hospital Roosevelt, Guatemala City;3. Divisions of Infectious Diseases and Nephrology, Department of Pediatrics, The Children's Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania;4. Department of Pediatrics, Divisions of Nephrology, Stanford University, California;5. Biomedical and Health Sciences, Rutgers University, Newark, New Jersey |