1. Department of Medical Imaging and Intervention, New Taipei Municipal Tucheng Hospital, Chang Gung Medical Foundation, New Taipei, Taiwan.
2. Department of Medical Imaging and Intervention, Linkou Chang Gung Medical Hospital, Taoyuan, Taiwan.
3. Department of Medical Imaging and Radiological Sciences, College of Medicine, Chang Gung University, Taoyuan, Taiwan.
4. Department of Radiology, Keio University, School of Medicine, Tokyo, Japan.
5. Department of Diagnostic Radiology, Tan Tock Seng Hospital, National Health Care Group, Singapore.
6. Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore.
7. Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.
8. Department of Radiology, National Defense Medical College, Saitama, Japan.
9. Department of Radiology, UNM Health Sciences Center, University of New Mexico, Albuquerque, NM, USA.
10. Department of Radiology, Vancouver General Hospital, University of British Columbia, Vancouver, BC, Canada.
11. Department of Radiology, University of Washington, Seattle, WA, USA.
12. Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.