1. Molecular Biology InstituteJonsson Comprehensive Cancer Center, Department of Biological ChemistryDavid Geffen School of Medicine, University of California, Los AngelesLos AngelesCaliforniaUSA
2. Department of Chemistry and Chemical BiologyNortheastern UniversityBostonMassachusettsUSA
3. Department of Molecular and Medical PharmacologyCrump Institute for Molecular ImagingUniversity of California at Los Angeles Metabolomics and Proteomics Center, California Nanosystems Institute and Jonsson Comprehensive Cancer Center, University of California, Los AngelesLos AngelesCaliforniaUSA