1. Department of Urology; Medical School; University of Crete; Heraklion Crete Greece
2. Genetics and IVF Unit; Department of Obstetrics and Gynaecology; Medical School; University of Ioannina; Ioannina Greece
3. B' Department of Urology; Medical School; Aristotle University; Thessaloniki Greece
4. Department of Urology; Medical School; Tottori University; Yonago Japan
5. Department of Urology; Medical School; University of Ioannina; Ioannina Greece
6. First Pediatric Surgery Clinic; Aghia Sophia Children's Hospital; Athens Greece