1. Department of Interventional MRI; Shandong Medical Imaging Research Institute, Shandong University; Jinan Shandong P.R. China
2. South Western Finland Imaging Centre; Turku University Hospital; Turku Finland
3. Department of hepatobiliary and pancreatic surgery; First Affiliated Hospital of Zhejiang University; Hangzhou Zhejiang P.R. China
4. Department of Interventional Radiology; Qingdao Central Hospital; Qingdao Shandong P.R. China