1. Department of Nuclear Medicine, Pusan National University Hospital, Busan, Korea
2. Department of Nuclear Medicine, Kyungpook National University Hospital, Daegu, Korea
3. Department of Internal Medicine, Chonnam National University Hwasun Hospital, Hwasun, Korea
4. Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
5. Department of Radiology, Gangneung Asan Hospital, Gangneung, Korea
6. Department of Nuclear Medicine, National Cancer Center, Goyang, Korea
7. Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
8. Department of Nuclear Medicine, CHA Bundang Medical Center, Seongnam, Korea
9. Department of Nuclear Medicine, Chungnam National University Sejong Hospital, Sejong, Korea
10. Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul, Korea
11. Department of Nuclear Medicine, Kyungpook National University Chilgok Hospital, Daegu, Korea
12. Department of Internal Medicine, National Cancer Center, Goyang, Korea
13. Department of Internal Medicine, Seoul St. Mary’s Hospital, Seoul, Korea
14. Department of Nuclear Medicine, Chosun University Hospital, Gwangju, Korea
15. Department of Internal Medicine, Chung-Ang University Hospital, Seoul, Korea
16. Department of Nucelar Medicine, Seoul National University Boramae Medical Center, Seoul, Korea