1. Department of Radiology; Peking University Third Hospital; Haidian District Beijing P.R. China
2. Department of Pathology; School of Basic Medical Science, Peking University Third Hospital, Peking University Health Science Center; Beijing P.R. China
3. GE Healthcare, MR Research China; Beijing P.R. China
4. Siemens Ltd., China; Chaoyang District Beijing P.R. China