1. Monash University; Department of Epidemiology & Preventive Medicine, School of Public Health & Preventive Medicine; The Alfred Centre, Level 6, 99 Commercial Rd Melbourne Victoria Australia 3004
2. University of Florida; Department of Urology; PO Box 100247 Gainesville Florida USA 32610
3. University of South Florida; Tampa Florida USA
4. Malcom Randall Veterans Affairs Medical Center; Gainesville Florida USA