[1] Columbia Univ, Div Digest & Liver Dis, New York, NY 10025 USA
[2] Columbia Univ, Inst Canc Genet, New York, NY 10025 USA
[3] Columbia Univ, Dept Pathol, New York, NY 10025 USA
[4] Columbia Univ, Dept Biomed Informat, New York, NY 10025 USA
[5] Univ Liverpool, Sch Biomed Sci, Dept Physiol Lab, Liverpool L69 3BX, Merseyside, England
[6] Rutgers State Univ, Ernest Mario Sch Pharm, Dept Biol Chem, Susan L Cullman Lab Canc Res,Ctr Canc Prev Res, Piscataway, NJ 08854 USA