1. Department of Internal Medicine, Chonbuk National University Medical School, Research Institute of Clinical Medicine of Chonbuk National University – Biomedical Research Institute of Chonbuk National University Hospital, Jeonju, Republic of Korea
2. Department of Internal Medicine, Presbyterian Medical Center, Jeonju, Republic of Korea
3. Department of Biochemistry, Chonbuk National University Medical School, Jeonju, Republic of Korea