1. Unit of Pediatric and Adolescent Surgery, Third Department of Surgery, Attikon Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
2. Assisted Reproduction Unit, Third Department of Obstetrics and Gynecology, Attikon Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
3. Urology Department, Attikon Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
4. Consultant in Medical Oncology, Hematology-Oncology Unit, Fourth Department of Internal Medicine, Attikon Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece.