John Wayne Cancer Institute, Santa Monica, California, United States
Walter Reed Army Medical Center, Washington, District of Columbia, United States
Mayo Clinic, Jacksonville, Florida, United States
Vanderbilt-Ingram Cancer Center, Nashville, Tennessee, United States
City of Hope Medical Center, Duarte, California, United States
Pfizer Investigational Site, Norfolk, Virginia, United States
Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium, Seattle, Washington, United States
Kennedy Institute Clinical Trials Unit, 4 West, Charing Cross Hospital, London, United Kingdom