1. Department of Pathology, Chonbuk National University Medical School, Institute for Medical Sciences, Research Institute of Clinical Medicine, Jeonju, Korea.
2. Research Institute for Endocrine Sciences, Jeonju, Korea.
3. Department of Preventive Medicine, Chonbuk National University Medical School, Institute for Medical Sciences, Research Institute of Clinical Medicine, Jeonju, Korea.
4. Department of Surgery, Chonbuk National University Medical School, Institute for Medical Sciences, Research Institute of Clinical Medicine, Jeonju, Korea.