1 Department of Radiology, MacKay Memorial Hospital, Taipei, Taiwan; Department of Medicine, MacKay Medical College, Taipei, Taiwan; Mackay Junior College of Medicine, Nursing, and Management, Taipei, Taiwan.
2 Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan; Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei, Taiwan.
3 Department of Radiology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan; Faculty of Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan; Department of Medical Imaging and Radiology, Shu-Zen Junior College of Medicine and Management Kaohsiung, Kaohsiung, Taiwan. Electronic address: cmvwu1029@gmail.com.