1. Ronald McDonald Children's Hospital at Loyola, Loyola University of Chicago, Section of Pediatric Endocrinology, Metabolism, and Nutrition, Maywood, IL
2. Section of Pediatric Radiology, Maywood, IL
3. Section of Pediatric Endocrinology, Metabolism, and Nutrition, Ronald McDonald Children's Hospital at Loyola, Loyola University of Chicago, 2160 S. First Ave., Maywood, IL 60153