1. Department of Radiology, Division of Nuclear Medicine, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390-8896.
2. Department of Radiology, Mayo Clinic, Rochester, MN.
3. Department of Nuclear Medicine, Istanbul University, Istanbul, Turkey.
4. Harold C. Simmons Comprehensive Cancer Center, UT Southwestern Medical Center, Dallas, TX.