1 Department of Diagnostic and Interventional Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
2 Department of Anesthesiology, The Military General Hospital of Beijing PLA, Beijing, China.
3 Shandong Academy of Chinese Medicine, 7 West Yan Zi Shan Road, Lixia, Jinan, China.
4 Department of Diagnostic and Interventional Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China. liminghua12@163.com.