1. Division of Cardiology, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea.
2. Division of Endocrinology and Metabolism, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea.
3. Department of Radiology, Hanyang University College of Medicine, Seoul, Korea.
4. Department of Obsterics and Gynecology, Hanyang University College of Medicine, Seoul, Korea.