1. Department of Pharmaceutical Chemistry and the Cardiovascular Research Institute, University of California San Francisco, San Francisco, California 94158, United States
2. Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, California 94158, United States
3. Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94158, United States
4. Department of Pathology, University of California San Francisco, San Francisco, California 94158, United States