1. Department of Forensic Medicine, National Institute of Scientific Investigation, Seoul, Korea
2. Department of Obstetrics and Gynecology, Chonbuk National University College of Medicine, Jeonju, Korea.
3. Center for Healthcare Technology Development, Chonbuk National University College of Medicine, Jeonju, Korea.
4. Department of Forensic Medicine, Chonbuk National University College of Medicine, Jeonju, Korea.