Fox Chase Cancer Center, Philadelphia, Pennsylvania, United States
AIDS - Associated Malignancies Clinical Trials Consortium, Rockville, Maryland, United States
University of Colorado, Denver, Colorado, United States
University of Colorado, Denver, Colorado, United States
New York University Clinical Cancer Center, New York, New York, United States
University of Maryland Greenebaum Cancer Center, Baltimore, Maryland, United States
New Approaches to Brain Tumor Therapy Consortium, Baltimore, Maryland, United States
Southwest Oncology Group, San Antonio, Texas, United States
Dana-Farber Cancer Institute, Boston, Massachusetts, United States
Gynecologic Oncology Group of Arizona, Phoenix, Arizona, United States