1. Department of Chemistry and Biochemistry, The University of Notre Dame, 305 McCourtney Hall, Notre Dame, Indiana 46556, United States
2. Department of Urologic Oncology, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, Kansas 66160, United States
3. Center for Cancer Research, National Cancer Institute, Building 10 - Hatfield CRC, Rockville, Maryland 20892, United States