[1
]
University of Rochester, Rochester, New York.
[2
]
SWOG Statistical Center, Seattle, Washington.
[3
]
Fred Hutchinson Cancer Research Center, Seattle, Washington.
[4
]
Baylor College of Medicine, Houston, Texas.
[5
]
Oregon Health & Science University, Portland.
[6
]
Beaumont Health, Royal Oak, Michigan.
[7
]
University of California Davis, Sacramento.
[8
]
University of Texas-San Antonio, San Antonio.
[9
]
University of Michigan, Ann Arbor.
[10
]
University of Oklahoma, Oklahoma City.
[11
]
Madigan Army Medical Center, Tacoma, Washington.
[12
]
Urology Center of Colorado, Denver.
[13
]
University of Kansas Cancer Center, Kansas City.
[14
]
University of Colorado, Aurora.
[15
]
Comprehensive Cancer Centers of Nevada, Las Vegas.
[16
]
CHRISTUS Santa Rosa Medical Center, San Antonio, Texas.