1. Department of Medical Biology, School of Medicine, Ankara University, Ankara 06230, Turkey
2. Department of Internal Medicine, Section of Infectious Diseases, Yale School of Medicine, New Haven, CT 06520, USA
3. Center for Assisted Reproduction, School of Medicine, Ankara University, Ankara 06230, Turkey
4. Postgraduate Medicine, School of Medicine, University of Dundee, Dundee DD1 4HN, UK
5. Department of Urology, School of Medicine, Ankara University, Ankara 06230, Turkey