1. Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN; Regenstrief Institute for Health Care, Indianapolis, IN; Division of General Pediatrics, Vanderbilt Univerisity School of Medicine, 5028 Medical Center East, Nashville, TN 37232-8555
2. Department of Pediatrics, Indiana University School of Medicine, Indianapolis, IN
3. Department of Medicine, Indiana University School of Medicine, Indianapolis, IN; Regenstrief Institute for Health Care, Indianapolis, IN; Bowen Research Center, Indianapolis, IN