1Radiology, Cancer Hospital of Chinese Academy of Medical Sciences at Shenzhen, China, Shenzhen, People's Republic of China, 2Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, GA, United States, 3MR Technical Services, Siemens Healthcare Ltd., People's Republic of China, 4Radiology, Longhua People’s Hospital of Shenzhen, People's Republic of China