The American Academy of Pediatrics is an organization of 67,000 primary care pediatricians, pediatric medical subspecialists, and pediatric surgical specialists dedicated to the health, safety, and well-being of infants, children, adolescents, and young adults. The AAP is the largest pediatric publisher in the world, with a diverse list of resources that includes essential clinical and practice management titles and award-winning books for parents. Ruth A. Etzel , MD, PhD, FAAP, is a pediatrician, environmental epidemiologist, and preventive medicine specialist who previously led the World Health Organization's activities to protect children from environmental hazards. She is the co-editor of Pediatric Environmental Health . She lives in Washington, DC. Sophie J. Balk , MD, FAAP, is a general pediatrician at the Children's Hospital at Montefiore and professor of pediatrics at the Albert Einstein College of Medicine in Bronx, NY.

She is an associate editor of Pediatric Environmental Health . She lives in New Rochelle, NY.