1. From the Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Istituto Nazionale Tumori; Fondazione Michelangelo, Milan, Italy; Memorial Sloan-Kettering Cancer Center, New York, NY; National Surgical Adjuvant Breast and Bowel Project, Pittsburgh, PA; Swiss Cardiovascular Center, Bern, Switzerland; and the Department of Breast Medical Oncology, The University of Texas M. D. Anderson Cancer Center, Houston, TX.