1. From the Breakthrough Toby Robins Breast Cancer Research Centre, Institute of Cancer Research and the Royal Marsden Hospital, and Department of Histopathology, Royal Free and University College Medical School, London; Department of Pathology, University of Edinburgh Medical School, Edinburgh; and CRC Genetic Epidemiology Unit, Strangeways Research Laboratories, Cambridge, United Kingdom; the Netherlands Cancer Institute, Antoni van Leeuwenhoek Huis, Amsterdam, the Netherlands; and Department of Genetic...