[1] Crohns & Colitis Soc Singapore, 237 Arcadia Rd,04-06,Arcadia Block B, Singapore 289844, Singapore
[2] Kurume Univ, Dept Immunol, Sch Med, 67 Asahimachi, Kurume, Fukuoka 8300011, Japan
[3] Brown Univ, Dept Mol Microbiol & Immunol, Warren Alpert Med Sch, Providence, RI USA