Manual of pediatric nutrition [electronic resource] / Kendrin Sonneville, ScD, RD, LDN, Director of Nutrition Training, Division of Adolescent and Young Adult Medicine, Boston Children's Hospital, Instructor, Harvard Medical School, Boston, Massachusetts, Christopher Duggan, MD, MPH, Associate Professor of Pediatrics, Harvard Medical School, Associate Professor in the Department of Nutrition, Harvard School of the Public Health, Director, Center for Nutrition, Division of Gastroenterology, Hepatology, and Nutrition, Boston Children's Hospital, Boston, Massachusetts.