[1] Taipei Vet Gen Hosp, Div Gastroenterol & Hepatol, Dept Med, Taipei, Taiwan
[2] Natl Yang Ming Univ, Fac Med, Sch Med, Taipei, Taiwan
[3] Taipei Vet Gen Hosp, Endoscopy Ctr Diag & Treatment, Taipei, Taiwan
[4] Natl Yang Ming Univ, Inst Biophoton, Taipei, Taiwan
[5] Natl Yang Ming Univ, Inst Clin Med, Sch Med, Taipei, Taiwan
[6] Natl Yang Ming Univ, Inst Pharmacol, Sch Med, Taipei, Taiwan
[7] Taipei Vet Gen Hosp, Div Translat Res, Dept Med Res, Taipei, Taiwan