1. Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
2. Department of Biological Science, Faculty of Science, University of Kurdistan, Sanandaj, Iran.
3. Department of Internal Medicine, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.
4. Department of Laboratory Sciences, School of Allied Medical Sciences, Fasa University of Medical Science, Fasa, Iran.
5. Cellular and Molecular Biology Research Center, Larestan University of Medical Sciences, Larestan, Iran.
6. Student Research Committee, Faculty of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran.