[1] Zahedan Univ Med Sci, Dept Clin Biochem, Sch Med, Zahedan, Iran
[2] Zahedan Univ Med Sci, Cellular & Mol Res Ctr, Zahedan, Iran
[3] Zahedan Univ Med Sci, Res Ctr Infect Dis & Trop Med, Zahedan, Iran
[4] Zahedan Univ Med Sci, Dept Internal Med, Sch Med, Zahedan, Iran
[5] Dept Internal Med, Div Gastroenterol, Rostock, Germany
[6] Univ Manitoba, Dept Physiol, Manitoba Inst Child Hlth, Winnipeg, MB, Canada