1. Gastroentrology and Hepatology Diseases Research Center, Qom University of Medical Sciences, Qom, Iran
2. Iranian
Tissue Bank and Research Center, Imam Khomeini Hospital, Tehran University of Medical science, Tehran, Iran
3. Student Research Committee, Qom University of Medical Sciences, Qom, Iran
4. Patient Safety Research Center,
Clinical Research Institute, Urmia University of Medical Sciences, Urmia, Iran
5. School of Medicine, Urmia University
of Medical Sciences, Urmia, Iran