1. University of California, San Francisco; Department of Radiology and Biomedical Imaging; San Francisco California USA
2. Siemens Healthcare; Magnetic Resonance Research and Development Midwest; Austin Texas USA
3. Siemens Healthcare; Magnetic Resonance Research and Development West; Los Angeles California USA
4. Siemens Healthcare; Magnetic Resonance Research and Development; Germany
5. University of California, San Francisco; Department of Epidemiology and Biostatistics; San Francisco California USA