1. Department of Radiology, Research Institute of Clinical Medicine of Chonbuk National University Hospital, and Research Institute for Endocrine Sciences, Chonbuk National University Medical School, Jeonju, Korea.
2. Department of Pathology, Research Institute of Clinical Medicine of Chonbuk National University Hospital, and Research Institute for Endocrine Sciences, Chonbuk National University Medical School, Jeonju, Korea.