Affiliation: | 1. Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand;2. Division of Endocrinology, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand;3. Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Illinois at Chicago, Chicago, Illinois, USA;4. Chayada Tangshewinsirikul;5. Tel.: +66‐89890‐5444;6. Fax: +66‐2201‐2192;7. E‐mail address: |