1. From the Faculty of Veterinary Science, University of Sydney, Sydney, Australia (KZ, QZ, LHF, AT, XD, DRF, and HG); the Institute for Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing, China (QZ, GM, and XH); and the Institute of Endocrinology and Diabetes, Children’s Hospital at Westmead, Westmead, Australia (CTC)