1. Gastroenterohepatology Research Center Shiraz University of Medical Sciences Shiraz Iran
2. Pediatric Gastroenterology Fellowship, Department of Pediatrics, School of Medicine Namazi teaching Hospital Shiraz University of Medical Sciences Shiraz Iran
3. Medical Imaging Research Center, Radiology Department Shiraz University of Medical Sciences Shiraz Iran
4. Student Research Committee Shiraz University of Medical Sciences Shiraz Iran
5. College of Pharmacy Western New England University Springfield USA
6. Department of Pediatrics, School of Medicine Namazi teaching Hospital Abu Ali Sina for Medicine & Organ transplant Shiraz University of Medical Sciences Shiraz Iran
7. USERN office Shiraz University of Medical Sciences Shiraz Iran