[1] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Dept Radiol, 81 Irwon Ro, Seoul 06351, South Korea
[2] Sungkyunkwan Univ, Sch Med, Samsung Med Ctr, Ctr Imaging Sci, 81 Irwon Ro, Seoul 06351, South Korea
[3] Gangneung Asan Hosp, Dept Radiol, Kangnung, South Korea
[4] Human Med Imaging & Intervent Ctr, Dept Radiol, Seoul, South Korea
[5] Ajou Univ, Dept Radiol, Sch Med, Suwon, South Korea
[6] Chung Ang Univ, Coll Med, Chung Ang Univ Hosp, Dept Radiol, Seoul, South Korea
[7] Chung Ang Univ, Coll Med, Chung Ang Univ Hosp, Thyroid Ctr, Seoul, South Korea
[8] Soonchunhyang Univ, Coll Med, Seoul Hosp, Dept Radiol, Seoul, South Korea
[9] Univ Ulsan, Coll Med, Dept Radiol, Asan Med Ctr, Seoul, South Korea
[10] Univ Ulsan, Coll Med, Res Inst Radiol, Asan Med Ctr, Seoul, South Korea
[11] Hanyang Univ, Coll Med, Hanyang Univ Hosp, Dept Radiol, Seoul, South Korea
[12] Seoul Natl Univ, Coll Med, Dept Radiol, Seoul, South Korea
[13] Daerim St Marys Hosp, Dept Radiol, Seoul, South Korea
[14] Daerim St Marys Hosp, Thyroid Ctr, Seoul, South Korea
[15] Inje Univ, Sch Med, Haeundae Paik Hosp, Dept Radiol, Busan, South Korea
[16] Yonsei Univ, Coll Med, Severance Hosp, Dept Radiol,Res Inst Radiol Sci, Seoul, South Korea
[17] Withsim Clin, Dept Radiol, Seongnam, South Korea
[18] Sheikh Khalifa Specialty Hosp, Dept Radiol, Ras Al Khaima, U Arab Emirates
[19] Haeundae Sharing & Happiness Hosp, Dept Radiol, Busan, South Korea
[20] Catholic Univ Korea, Coll Med, Seoul St Marys Hosp, Dept Radiol, Seoul, South Korea
[21] Seoul Natl Univ, Bundang Hosp, Dept Radiol, Seongnam, South Korea
[22] Sungkyunkwan Univ, Kangbuk Samsung Hosp, Dept Radiol, Seoul, South Korea