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Affiliations

• ¹ Department of Urology, Mayo Clinic, Rochester, Minnesota.
• ² Department of Urology, University of California, Los Angeles, California.
• ³ Greater Los Angeles VA, Health Services Research and Development Program, Los Angeles, California.
• ⁴ Department of Urology, MD Anderson Cancer Center, Houston, Texas.
• ⁵ Department of Urology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
• ⁶ Department of Urology, University of Iowa Medical Center, Iowa City, Iowa.