1. Department of Anatomy, Seoul National University College of Medicine, Seoul, Korea.
2. Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea.
3. Department of Anatomy, Dankook University College of Medicine, Cheonan, Korea.
4. Department of Anatomy, Ewha Womans University School of Medicine, Seoul, Korea.
5. Institute of Forensic Medicine, Seoul National University, Seoul, Korea.