1. Faculty of Medicine, KMITL 1 Soi Chalong Krung 1, Lat Krabang Subdistrict, Lat Krabang District, Bangkok, Thailand, 10520
2. Department of Microbiology, University of Illinois, B103 CLSL 601 S Goodwin Ave, Urbana, IL 61801, USA
3. Department of Biochemistry, University of Illinois, B103 CLSL 601 S Goodwin Ave, Urbana, IL 61801, USA