1. Seyfettin Köklü MD, Research Fellow, Department of Gastroenterology, Türkiye Yüksek ihtisas Hospital, Ankara, Turkey
2. Osman Yüksel MD, Research Fellow, Department of Gastroenterology, Türkiye Yüksek ihtisas Hospital
3. Levent Filik MD, Research Fellow, Department of Gastroenterology Türkiye Yüksek ihtisas Hospital
4. Oğuz Üsküdar MD, Research Fellow, Department of Gastroenterology, Türkiye Yüksek ihtisas Hospital
5. Kadri Altundağ MD, Associate Professor, Department of Medical Oncology, Hacettepe University Institute of Oncology, Ankara
6. Emin Altiparmak MD, Instructor, Department of Gastroenterology, Türkiye Yüksek ihtisas Hospital