1 Division of Endocrinology and Metabolism, Department of Internal Medicine, Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea.
2 Department of Nuclear Medicine and Biomedical Research Institute, Pusan National University Hospital and School of Medicine, Pusan National University, 179 Gudeok-ro, Seo-gu, Busan, 49241, Republic of Korea.
3 Department of Nuclear Medicine and Biomedical Research Institute, Pusan National University Hospital and School of Medicine, Pusan National University, 179 Gudeok-ro, Seo-gu, Busan, 49241, Republic of Korea. ilikechopin@me.com.
4 Department of Nuclear Medicine, Pusan National University Yangsan Hospital, Yangsan, Republic of Korea.