1. Department of Biology, School of Life Sciences, Chungbuk National University, Cheongju, Korea.
2. Department of Surgery, Brain Korea 21 PLUS Project for Medical Sciences and HBP Surgery and Liver Transplantation, Korea University College of Medicine, Seoul, Korea.
3. Department of Anatomy, Seoul National University College of Medicine, Seoul, Korea.
4. Department of Pediatrics, Ewha Womans University School of Medicine, Seoul, Korea.
5. Department of Thoracic and Cardiovascular Surgery, Ewha Womans University School of Medicine, Seoul, Korea.