1. Department of Radiology; Peking Union Medical College Hospital; Beijing China
2. MR collaborations NE Asia; Siemens Healthcare; Beijing China
3. Siemens Healthcare; Erlangen Germany
4. Department of Radiology; Charité, Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health; Berlin Germany