1 Department of Nuclear Medicine, Chonbuk National University Medical School and Hospital, San 2-20 Geumam-dong, Deokjin-gu, Jeonju, Jeonbuk 561-180 South Korea ; Research Institute of Clinical Medicine, Chonbuk National University Medical School and Hospital, Jeonju, Jeonbuk South Korea.
2 Department of Nuclear Medicine, Chonbuk National University Medical School and Hospital, San 2-20 Geumam-dong, Deokjin-gu, Jeonju, Jeonbuk 561-180 South Korea.
3 Department of Internal Medicine, Chonbuk National University Medical School and Hospital, Jeonju, Jeonbuk South Korea ; Research Institute of Clinical Medicine, Chonbuk National University Medical School and Hospital, Jeonju, Jeonbuk South Korea.