1. Department of Interventional Radiology, The First Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
2. Department of Interventional Radiology, Qianfoshan Hospital, Shandong University, Jinan, Shandong 250014, P.R. China
3. Department of Interventional Radiology, Jinhua Central Hospital, Jinhua, Zhejiang 321000, P.R. China
4. Department of Interventional Radiology, Nanchong Central Hospital, Nanchong, Sichuan 637900, P.R. China