1. Department of Radiology, Yuhuangding Hospital, Yantai 264008, China
2. Department of Radiology, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju 22070, Republic of Korea
3. Department of Radiology, National Cancer Center, Goyang 10408, Republic of Korea
4. Department of Cardiovascular Surgery, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul 05030, Republic of Korea