Estimating the alcohol-breast cancer association: a comparison of diet diaries, FFQs and combined measurements Ruth H. KeoghJin Young ParkIan R. WhiteMarleen A. H. Lentjes • Alison McTaggartAmit BhanianiBenjamin J. CairnsTimothy J. Key • Darren C. GreenwoodVictoria J. BurleyJanet E. CadeChristina C. Dahm • Gerda K. PotAlison M. StephenGabriel MassetEric J. Brunner •