1. Dartmouth Health Department of Surgery, Section of Urology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
2. Dartmouth Health Department of Surgery, Section of Urology, Lebanon, New Hampshire
3. Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
4. Dartmouth Cancer Center, Lebanon, New Hampshire
5. Department of Epidemiology, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire
6. Department of Emergency Medicine, University of Maryland Medical Center, Baltimore, Maryland
7. University of Utah School of Medicine, Salt Lake City, Utah
8. Dartmouth Health Department of Medicine, Geisel School of Medicine at Dartmouth, Hanover, New Hampshire