1. The James Buchanan Brady Urological InstituteBaltimoreMarylandUSA
2. Department of UrologyThe Johns Hopkins School of MedicineBaltimoreMarylandUSA
3. Department of Obstetrics and GynecologyUniversity of Colorado School of MedicineAuroraColoradoUSA
4. Department of ChemistryCentral Michigan UniversityMount PleasantMichiganUSA