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