- Memorial Sloan-Kettering Cancer Center, New York, NY - Special thanks to Oguz Akin, MD and Pierre Elnajjar.
- University of Pittsburgh/UPMC, Pittsburgh, PA - Special thanks to Matthew Heller, MD and Rose Jarosz.
- Mayo Clinic, Rochester, MN - Special thanks to Bradley J. Erickson, MD, PhD from the Department of Radiology, Mayo Medical School.
- University of North Carolina, Chapel Hill, NC - Special thanks to J. Keith Smith, M.D., Ph.D. and Shanah Kirk.
- National Cancer Institute, Bethesda, MD - Special thanks to Marston Linehan, M.D. and Rabindra Gautam from the Urologic Oncology Branch.
- M.D. Anderson Cancer Center, Houston TX - Special thanks to Raghu Vikram, M.D., Department of Diagnostic Radiology, and Kimberly M. Garcia, Diagnostic Imaging - Transl. & Clinical Research.