[1] Iran Univ Med Sci, Sch Med, Dept Microbiol, Tehran, Iran
[2] Massachusetts Gen Hosp, Wellman Ctr Photomed, Boston, MA 02114 USA
[3] Harvard Med Sch, Dept Dermatol, Boston, MA 02115 USA
[4] Harvard Mit Div Hlth Sci & Technol, Cambridge, MA USA
[5] Golestan Univ Med Sci, Golestan Res Ctr Gastroenterol & Hepatol, Gorgan, Golestan, Iran
[6] Charles Univ Prague, Dept Med Microbiol, Fac Med 2, Prague, Czech Republic
[7] Motol Univ Hosp, Prague, Czech Republic
[8] Golestan Univ Med Sci, Lab Sci Res Ctr, Gorgan, Golestan, Iran