1. Department of Pediatric Surgery, General Hospital of Larissa, Larissa, Greece
2. First Pre-Educative Surgery Clinic, National & Kapodistrian University of Athens, Greece
3. Andrology Department of Volos, Volos, Greece
4. First Pre-Educative Surgery Clinic, National & Kapodistrian University of Athens, Athens, Greece
5. Department of History of Medicine, National & Kapodistrian University of Athens, Athens, Greece