1. Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
2. Department of Cancer Biology, Dana-Farber Cancer Institute, Boston, MA, USA
3. Department of Pharmacy, Pharmaceutical and Medicinal Chemistry, Saarland University, Saarbrucken, Germany
4. Biomolecular Sciences Graduate Program, Boise State University, Boise, ID, USA
5. Department of Chemistry and Biochemistry, University of California, San Diego, CA, USA
6. Department of Chemistry and Biochemistry, Boise State University, Boise, ID, USA