1. Department of Radiology and Center for Imaging Sciences, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
2. Department of Radiology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.
3. Department of Radiology, Kyung Hee University Hospital, Kyung Hee University School of Medicine, Seoul, Korea.
4. Department of Radiology, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea.
5. Department of Radiology, Yonsei University College of Medicine, Seoul, Korea.
6. Bright Data LLC, Yongin, Korea.