John D Mahan Author & Editor

Leonard G. Feld, MD, PhD, MMM, FAAP is the Professor and Sara H. Bissell & Howard C. Bissell Endowed Chair in Pediatrics, Senior Medical Director and Senior Academic Chair of the Pediatric Specialties Care Division of Carolinas HealthCare System's Medical Group, and Chief Medical Officer at the Levine Children's Hospital at Carolinas HealthCare System in Charlotte, North Carolina, and Clinical Professor of Pediatrics at UNC School of Medicine.

John D. Mahan, MD, FAAP is Professor of Pediatrics at the Ohio State University College of Medicine where he is also Assistant Dean for Faculty Development, Vice Chairman for Education in the Department of Pediatrics, Program Director for the Pediatric Residency Program and Program Director for the Pediatric Nephrology Fellowship Program at Nationwide Children's Hospital.

Warren M. Seigel MD, MBA, FAAP, FSAHM is the Chair of the Department of Pediatrics and Director of Adolescent Medicine at Coney Island Hospital, Brooklyn, NY, and an Associate Professor of Clinical Pediatrics at SUNY-Health Science Center at Brooklyn, Associate Professor of Clinical Pediatrics (Adjunct) at New York Institute of Technology, Old Westbury, NY and Professor of Clinical Pediatrics (Adjunct) at St. George's University School of Medicine, Grenada, BWI.

John (Jack) M. Lorenz, MD, FAAP, is Professor Emeritus at Columbia University Medical Center, New York, NY. His clinical and research interests include developmental renal, fluid, and electrolyte physiology, pre- and postoperative care of the neonate with critical congenital heart disease, and medical ethics