Institution: | 1. Division of Foregut Surgery, Korea University College of Medicine, Seoul, Korea;2. Center for Obesity and Metabolic Diseases, Korea University Anam Hospital, Seoul, Korea;3. BK21 FOUR Community-Based Intelligent Novel Drug Discovery Education Unit, College of Pharmacy and Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu, Korea;4. Department of Statistics, Daegu University, Gyeongbuk, Korea;5. Department of Surgery, Inha University School of Medicine, Incheon, Korea |