1. Çukurova University Gastroenterology Department, Adana, Turkey
2. İzmir Biomedicine and Genome Institute, Dokuz Eylül University, İzmir, Turkey
3. Fırat University, Turkey
4. İstanbul Memorial Hospital, Turkey
5. Ankara University, Turkey
6. Hacettepe University, Turkey
7. İstanbul Cerrahpaşa University, Turkey
8. Konya Necmettin Erbakan University, Turkey
9. Mersin University, Turkey
10. Hatay Mustafa Kemal University, Turkey
11. Dicle University, Turkey
12. Eskişehir Osmangazi University, Turkey
13. Erciyes University, Turkey
14. Haydarpaşa Sultan Abdülhamid Eğitim Araştırma Hospital, Turkey
15. Trials Centre, National Institute for Digestive Diseases, IRCCS “Saverio de Bellis”, Castellana, Bari, Italy
16. Florence Nightingale Hospital, İstanbul, Turkey
17. İnonu University, Malatya, Turkey
18. Ondokuz Mayıs University, Turkey
19. Izmir Kent Hospital, Turkey