1 Division of Endocrinology and Metabolism, Department of Internal Medicine, Jeonbuk National University Hospital, Jeonju, Korea.
2 Division of Endocrinology, Department of Internal Medicine, Yongin Severance Hospital, Yongin, Korea.
3 Department of Ophthalmology, Jeonbuk National University Medical School, Jeonju, Korea.
4 Division of Endocrinology and Metabolism, Department of Internal Medicine, Jeonbuk National University Medical School, Jeonju, Korea.
5 Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Korea.