[1] Univ Texas MD Anderson Canc Ctr, Dept Diagnost Radiol, Unit 1478,1515 Holcombe Blvd, Houston, TX 77030 USA
[2] Chaim Sheba Med Ctr, Dept Diagnost Imaging, Ramat Gan, Israel
[3] Tel Aviv Univ, Tel Aviv, Israel
[4] Baylor Coll Med, Dept Diagnost Radiol, Houston, TX 77030 USA