[1] Med Coll Wisconsin, Dept Radiol, 9200 W Wisconsin Ave, Milwaukee, WI 53226 USA
[2] IRCCS SDN, Diagnost Med Imaging, Naples, Italy
[3] Grp Hosp Paris St Joseph, Dept Radiol, 185 Rue Raymond Losserand, F-75014 Paris, France
[4] Univ Texas MD Anderson Canc Ctr, Abdominal Imaging Dept, Unit 1473, 1515 Holcombe Blvd, Houston, TX 77030 USA
[5] Univ Arizona, Dept Med Imaging, Coll Med, 1501 N Campbell Ave,POB 245067, Tucson, AZ 85724 USA
[6] Beth Israel Deaconess Med Ctr, Dept Radiol, 330 Brookline Ave,Shapiro 4, Boston, MA 02215 USA
[7] Columbia Univ, Dept Radiol, Med Ctr, 622 W 168th St,PH1-317, New York, NY 10032 USA
[8] Columbia Univ Med Canc, Dept Med, Div Digest & Liver Dis, 161 Ft Washington Ave,Suite 862, New York, NY 10032 USA
[9] Univ Calif San Francisco, Dept Radiol & Biomed Imaging, 505 Parnassus Ave, San Francisco, CA 94143 USA
[10] Univ Washington, Dept Radiol, 1959 NE Pacific St, Seattle, WA 98195 USA
[11] Ochsner LSU Hlth Shreveport, Dept Radiol, 1501 Kings Highway, Shreveport, LA 71103 USA
[12] H Lee Moffitt Canc Ctr & Res Inst, Gastrointestinal Oncol, 12902 USF Magnolia Dr, Tampa, FL 33612 USA
[13] Massachusetts Gen Hosp, Dept Radiol, 55 Fruit St,White 270, Boston, MA 02114 USA