1. Department of Cardiology; Guy's and St Thomas’ Hospitals London; London UK
2. Department of Urology; Mayo Clinic; Rochester MN USA
3. Family Medicine and Urology; Warren Alpert School of Medicine; Brown University; Providence RI USA
4. Department of Urology; University of Minnesota; Minneapolis MN USA
5. The James Buchanan Brady Urologiocal Institute; The Johns Hopkins Hospital; Baltimore MD USA
6. Department of Urology; Cellular and Molecular Medicine; The James Buchanan Brady Urological Institute; The Johns Hopkins Hospital; Baltimore MD USA
7. Centre d'Etude et de Traitement de la Pathologie de l'Appareil Reproducteur et de la Psychosomatique; Lille France
8. Department of Urology; University of North Carolina; Chapel Hill NC USA
9. Departments of Medicine and Molecular & Cellular Biology; Baylor College of Medicine and St. Luke's Episcopal Hospital; Houston TX USA
10. Department of Sexual Medicine; Alvarado Hospital; San Diego CA USA
11. Center for Sexual Function/Endocrinology, Lahey Clinic Medical Center, Peabody, MA and Department of Medicine; Tufts University School of Medicine; Boston MA USA
12. Departments of Sexual Medicine; Good Hope Hospital; Birmingham UK
13. Research Heart Institute, Good Samaritan Hospital, Los Angeles, CA, USA and Keck School of Medicine at the University of Southern California; Los Angeles CA USA
14. Cardiovascular Institute; UMDNJ-Robert Wood Johnson Medical School; New Brunswick NJ USA
15. 2nd Department of Invasive Cardiology; Department of Cardiovascular Sciences; University of Milan Centro Cardiologico Monzino; IRCCS; Milan Italy
16. Complete Healthcare Communications, Inc.; Chadds Ford PA USA
17. New England Research Institutes, Inc.; Watertown MA USA
18. Family Medicine, SUNY Downstate Medical Center; Brooklyn NY USA
19. Division of Urology; UMDNJ-Robert Wood Johnson Medical School and Cooper University Hospital; Camden NJ USA
20. Division of Urology, Maimonides Medical Center, Brooklyn, NY, USA and Department of Urology; Cornell University; New York NY USA
21. 1st Department of Cardiology; Athens Medical School; Athens Greece
22. Department of Medicine and Endocrinology; Andrology Research Unit; Developmental & Regenerative Biomedicine Research Group; The University of Manchester; Manchester Academic Health Science Centre; Manchester Royal Infirmary; Manchester UK