[1] Columbia Univ, Dept Med, Med Ctr, Div Digest & Liver Dis, New York, NY USA
[2] Univ Alabama Birmingham, Dept Pathol, Birmingham, AL 35294 USA
[3] MERC, Nanotechnol & Adv Mat Dept, Bioengn Res Grp, Tehran, Iran
[4] Iran Univ Med Sci, Cellular & Mol Res Ctr, Tehran, Iran
[5] Iran Univ Med Sci, Fac Adv Technol Med, Dept Tissue Engn & Regenerat Med, Tehran, Iran