1. Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea.
2. Leading-Edge Research Center for Drug Discovery and Development for Diabetes and Metabolic Disease, Kyungpook National University Hospital, Kyungpook National University School of Medicine, Daegu, Korea.
3. Department of Internal Medicine, Keimyung University School of Medicine, Daegu, Korea.
4. Department of Surgery, Keimyung University School of Medicine, Daegu, Korea.
5. Department of Biochemistry and Cell Biology, Cell and Matrix Research Institute, Kyungpook National University School of Medicine, Daegu, Korea.
6. New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation, Daegu, Korea.