We thank the Breakthrough Histopathology Facility, Cambridge Genomic Services for the gene expression analysis, Balazs Gyorffy for providing the clinical breast cancer outcome data, Antoinette van Weverwijk for help with the in vivo assays, Fredrik Wallberg for help with the FACSorting, Andrea Morandi for help with the TMA analysis, Patricia Salinas for the Wnt7a cDNA construct and helpful discussions and Lorenzo Melchor for the pDEST/pHIV-H2BmRFP-rfa_verB Gateway cloning vector. This evidence concerns the gene WNT7A and breast carcinoma.