1. Pediatric Surgery Department, Penteli Children’s Hospital, Ippokratous 8, Penteli 15236, Greece
2. Department of Genetics, Demokritos Research Center, Neapoleos 10, Agia Paraskevi 153 10, Greece
3. General Surgery Department, Tzanio General Hospital, Leoforos Afentouli ke Zanni, Piraeus 185 36, Greece
4. Histopathology Department, Sismanoglio General Hospital, Sismanogliou 37, Marousi 151 26, Greece
5. General Surgery Department, Sismanoglio General Hospital, Sismanogliou 37, Marousi 15126, Greece
6. General Surgery Department, Agios Savvas Regional Cancer Hospital, Leof. Alexandras 171, Athens 11522, Greece