1. Department of Pediatrics, Kyungpook National University Chilgok Hospital, Daegu, Korea
2. Department of Nuclear Medicine, Seoul National University Boramae Medical Center, Seoul, Korea
3. Department of Internal Medicine, Chonnam National University Hwasun Hospital, Hwasun, Korea
4. Department of Otolaryngology-Head and Neck Surgery, Chungnam National University Hospital, Daejeon, Korea
5. Department of Nuclear Medicine, Pusan National University Hospital, Busan, Korea
6. Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
7. Department of Surgery, Asan Medical Center, Seoul, Korea
8. Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
9. Department of Radiology, Gangneung Asan Hospital, Gangneung, Korea
10. Department of Nuclear Medicine, National Cancer Center, Goyang, Korea
11. Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
12. Department of Otolaryngology-Head and Neck Surgery, Eunpyeong St. Mary’s Hospital, Seoul, Korea
13. Department of Nuclear Medicine, CHA Bundang Medical Center, Seongnam, Korea
14. Department of Surgery, Chung-Ang University Gwangmyeong Hospital, Gwangmyeong, Korea
15. Department of Nuclear Medicine, Chungnam National University Sejong Hospital, Sejong, Korea
16. Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul, Korea
17. Department of Otolaryngology-Head and Neck Surgery, Dankook University Hospital, Cheonan, Korea
18. Department of Otolaryngology-Head and Neck Surgery, Chungnam National University Sejong Hospital, Sejong, Korea
19. Department of Otolaryngology-Head and Neck Surgery, National Cancer Center, Goyang, Korea
20. Department of Nuclear Medicine, Kyungpook National University Chilgok Hospital, Daegu, Korea
21. Department of Internal Medicine, National Cancer Center, Goyang, Korea
22. Department of Pediatrics, Inje University Ilsan Paik Hospital, Goyang, Korea
23. Department of Surgery, Yongin Severance Hospital, Yongin, Korea
24. Department of Internal Medicine, Seoul St. Mary’s Hospital, Seoul, Korea
25. Department of Otolaryngology-Head and Neck Surgery, Gangnam Severance Hospital, Seoul, Korea
26. Department of Nuclear Medicine, Chosun University Hospital, Gwangju, Korea
27. Department of Internal Medicine, Chung-Ang University Hospital, Seoul, Korea
28. Department of Nuclear Medicine, Kyungpook National University Hospital, Daegu, Korea
29. Department of Surgery, Ewha Womans University Mokdong Hospital, Seoul, Korea
30. Department of Pediatrics, Seoul National University Children’s Hospital, Seoul, Korea