Dana-Farber Cancer Institute, Boston, Massachusetts, United States
University of Wisconsin Osteoporosis Clinical Research Prog., Madison, Wisconsin, United States
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda, Maryland, United States
Cancer and Leukemia Group B, Chicago, Illinois, United States
North Central Cancer Treatment Group, Rochester, Minnesota, United States
Cancer and Leukemia Group B, Chicago, Illinois, United States
Memorial Sloan-Kettering Cancer Center, New York, New York, United States
University of Chicago Comprehensive Cancer Center, Chicago, Illinois, United States
Vanderbilt University, Nashville, Tennessee, United States
Montefiore Medical Center, Bronx, New York, United States
University of Chicago Comprehensive Cancer Center, Chicago, Illinois, United States