1. School of Medicine and Department of Urology, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco (UCSF), San Francisco, CA 94158, USA.
2. Division of Pediatric Allergy, Immunology and Bone Marrow Transplantation, UCSF, San Francisco, CA 94158, USA.
3. Department of Radiology and Biomedical Imaging, UCSF, San Francisco, CA 94158, USA.
4. Department of Radiation Oncology, The Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
5. Department of Urology, University of California Davis School of Medicine, Sacramento, CA 95817, USA.
6. Helen Diller Family Comprehensive Cancer Center, UCSF, San Francisco, CA 94158, USA.
7. Department of Biochemistry and Biophysics, UCSF, Howard Hughes Medical Institute, San Francisco, CA 94158, USA.
8. Department of Cellular and Molecular Pharmacology, UCSF, San Francisco, CA 94158, USA.