1. From the Centro di Riferimento Oncologico, Aviano; and European Institute of Oncology, Milan, Italy; International Breast Cancer Study Group Statistical Center, Dana-Farber Cancer Institute, and Frontier Science and Technology Research Foundation, Boston, MA; International Breast Cancer Study Group Coordinating Center and Institute of Medical Oncology, Bern; Kantonsspital, St Gallen; and Oncology Institute of Southern Switzerland, Lugano, Switzerland; West Swedish Breast Cancer Study Group, Sahlgrenska...