Alcohol intake, tobacco smoking, and esophageal adenocarcinoma survival: a molecular pathology epidemiology cohort study by McCain, RS, McManus, DT, McQuaid, S, James, JA, Salto-Tellez, M, Reid, NB, Craig, S, Chisambo, C, Bingham, V, McCarron, E, Parkes, E, Turkington, RC, Coleman, HG