1. Department of Urology, Tottori University School of Medicine, Yonago, Japan, Japanese-Greek Fertility Institute, Franzi, Neos Kosmos, Athens, Greece, Department of Animal Sciences, University of Kentucky, Lexington, Kentucky, Department of Urology, Tulane University Medical Center, New Orleans, Louisiana, and Department of Urology, The New York Hospital-Cornell University Medical Center, New York, New York