Refined histopathological predictors of BRCA1 and BRCA2 mutation status: a large-scale analysis of breast cancer characteristics from the BCAC, CIMBA, and ENIGMA consortia - Spurdle, A B; Couch, F J; Parsons, M T; McGuffog, L; Barrowdale, D; Bolla, M K; ABCTB Investigators; EMBRACE Group; GENICA Network; HEBON Group; kConFab Investigators (Breast Cancer Res, 2014)