1. Department of Pediatrics, Samitivej Srinakarin Hospital, Bangkok Hospital Group, 488 Srinakarin Road, Suanluang, Bangkok 10250, Thailand
2. Division of Endocrinology, Metabolism and Lipids, Department of Medicine, Emory University School of Medicine, 101 Woodruff Circle NE, WMRB 1301, Atlanta, GA 30322, USA