1. Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
2. Campbell Family Cancer Research Institute, Ontario Cancer Institute, Princess Hospital, University Health Network and Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada
3. National Center for Imaging Research, University of California, San Diego, La Jolla, CA, USA
4. Department of Chemistry and Biochemistry, San Diego State University, San Diego, CA, USA
5. Department of Life Sciences and Institute of Genome Sciences, National Yang‐Ming University, Taipei, Taiwan
6. Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, USA
7. Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, CA, USA
8. Howard Hughes Medical Institute, Chevy Chase, MD, USA