1Korean Motherisk Program, Cheil Hospital and Women's Health Care Center, Sungkyunkwan University School of Medicine, Seoul, Korea
2Division of Maternal Fetal Medicine, Cheil Hospital and Women's Health Care Center, Sungkyunkwan University School of Medicine, Seoul, Korea
3Division of Infertlilty, Department of Obstetrics and Gynecology, Cheil Hospital and Women's Health Care Center, Sungkyunkwan University School of Medicine, Seoul, Korea
4Division of Clinical Pharmacology and Toxicology, The Hospital for Sick Children, Toronto, Ontario, Canada
Address correspondence to Dr. Jung-Yeol Han, The Korean Motherisk Program, Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Cheil Hospital, Sungkyunkwan University, School of Medicine, 1-19 Mookjung-Dong, Choong-Gu, Seoul 100-380, Korea. E-mail: [email protected]