1. Associate, Pediatric Gastroenterology and Nutrition, Children's Hospial Medical Center, Oakland, CA
2. Director, Division of Pediatric Gastronterology and Nutrition, University of California San Francisco, San Franisco, CA
3. Assistant Professor of Pediatrics, Division of Gastroenterolgy and Nutrition, Children's Hospital Medical Center, University of Cincinati School of Medicine, Cincinnati, OH