[1] Mem Sloan Kettering Canc Ctr, Dept Surg, Hepatopancreatobiliary Serv, New York, NY 10065 USA
[2] Rutgers Canc Inst New Jersey, Dept Surg, New Brunswick, NJ USA
[3] Mem Sloan Kettering Canc Ctr, Dept Epidemiol & Biostat, New York, NY 10021 USA
[4] Cangzhou Cent Hosp, Cangzhou City, Hebei, Peoples R China
[5] Mem Sloan Kettering Canc Ctr, Dept Radiol, New York, NY USA
[6] Queens Univ, Dept Biomed & Mol Sci, Kingston, ON, Canada
[7] Queens Univ, Sch Comp, Kingston, ON, Canada