| Affiliation: | 1.International Breast Cancer Study Group (IBCSG) Coordinating Center,Bern,Switzerland;2.International Breast Cancer Study Group and University of Sydney,Sydney,Australia;3.International Breast Cancer Study Group,Data Management Center,Amherst,USA;4.International Breast Cancer Study Group Statistical Center, Dana-Farber Cancer Institute,Harvard Medical School,Boston,USA;5.International Breast Cancer Study Group Statistical Center, Dana-Farber Cancer Institute, Harvard Medical School, Harvard T.H. Chan School of Public Health,Frontier Science and Technology Research Foundation,Boston,USA;6.International Breast Cancer Study Group Coordinating Center and Bern University Hospital, Inselspital,Bern,Switzerland |
