1. New York Obesity Nutrition Research Center; Columbia University Medical Center; New York New York USA
2. Institute of Human Nutrition and Department of Medicine; College of Physicians and Surgeons; Columbia University Medical Center; New York New York USA
3. Department of Epidemiology, Mailman School of Public Health; Columbia University Medical Center; New York New York USA
4. Department of Environmental Health Sciences and the Columbia Center for Children's Environmental Health; Mailman School of Public Health; Columbia University; New York New York USA
5. Division of Pediatric Endocrinology; Columbia University Medical Center; New York New York USA