1 Department of Urology, Stanford University School of Medicine, Stanford, CA; Department of Urology, Aarhus University Hospital, Aarhus, Denmark.
2 Veterans Affairs Palo Alto Health Care System, Palo Alto, CA.
3 Department of Urology, Stanford University School of Medicine, Stanford, CA.
4 Division of Urology, Cedars-Sinai Medical Center, Los Angeles, CA.
5 VA HSR&D Center for Clinical Management Research, VA Ann Arbor Healthcare System, Ann Arbor, MI, USA; Department of Urology, Dow Division of Health Services Research, University of Michigan Medical School, Ann Arbor, MI.
6 Department of Epidemiology and Population Health, Stanford University School of Medicine, Stanford, CA.
7 Veterans Affairs Palo Alto Health Care System, Palo Alto, CA; Department of Radiology, Stanford University School of Medicine, Stanford, CA.
8 Department of Epidemiology and Population Health, Stanford University School of Medicine, Stanford, CA; Department of Medicine, Stanford University School of Medicine, Stanford, CA.
9 Veterans Affairs Palo Alto Health Care System, Palo Alto, CA; Department of Urology, Stanford University School of Medicine, Stanford, CA; Department of Medicine, Stanford University School of Medicine, Stanford, CA.