1Radiology, Shanghai Proton and Heavy Iron Center, Fudan University Caner Center, Shanghai, China, People's Republic of, 2Radiology, Fudan University Shanghai Cancer Center, Shanghai, China, People's Republic of, 3NEA MR Collaboration, Siemens Ltd, Shanghai, China, People's Republic of, 4Siemens Shenzhen Magnetic Resonance Ltd, Shenzhen, China, People's Republic of, 5Siemens Healthcare GmbH, Erlangen, Germany, Forchheim, Germany