1. Department of Surgery, Jeju National University Hospital, Jeju, Korea.
2. Department of Physiology, College of Medicine, Hanyang University, Seoul, Korea.
3. Research Institute for Basic Science, Sogang University, Seoul, Korea.
4. Department of Genetic Epidemiology, SNP Genetics, Inc., Seoul, Korea.
5. Department of Surgery, Gyeongsang National University Hospital, Jinju, Korea.
6. Department of Surgery, Donga University Hospital, Busan, Korea.
7. Department of Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.
8. Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Korea.
9. Department of Neonatology, Seoul National University Bundang Hospital, Seongnam, Korea.
10. Department of Pathology, Seoul National University Bundang Hospital, Seongnam, Korea.
11. Department of Pediatric Surgery, Seoul National University Children's Hospital, Seoul, Korea.
12. Department of Surgery, Gyemyoung University Dongsan Hospital, Daegu, Korea.
13. Department of Life Science, Sogang University, Seoul, Korea.