[1] Univ Texas MD Anderson Canc Ctr, Dept Diagnost Radiol, Unit 57, Houston, TX 77030 USA
[2] Univ Texas MD Anderson Canc Ctr, Unit 0371, Div Diagnost Imaging, 1515 Holcombe Blvd, Houston, TX 77030 USA
[3] Univ Texas MD Anderson Canc Ctr, Dept Nucl Med, Houston, TX 77030 USA
[4] Ctr Hosp Univ, Nucl Med Serv, B-4000 Liege, Belgium