[1
]
Departments of Radiation Oncology and Urology, Memorial Sloan Kettering Cancer Center,
New York, New York. Electronic address: zelefskm@mskcc.org.
[2
]
Department of Radiation Oncology, Continuum Cancer Center of New York, New York, New
York.
[3
]
Departments of Radiation Oncology and Urology, Memorial Sloan Kettering Cancer Center,
New York, New York.
[4
]
Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center,
New York, New York.
[5
]
Departments of Radiation Oncology and Urology, Mt. Sinai Medical Center, New York,
New York.