Biallelic BRCA2 mutations are associated with multiple malignancies in childhood including familial Wilms tumour

S Reid ,  A Renwick ,  S Seal ,  L Baskcomb ,  R Barfoot ,  H Jayatilake ,  K Pritchard-Jones ,  M R Stratton ,  A Ridolfi-Lüthy ,  N Rahman ,  Breast Cancer Susceptibility Collaboration (UK) ,  Familial Wilms Tumour Collaboration