[1] Taipei Vet Gen Hosp, Dept Med, Div Gastroenterol & Hepatol, Taipei, Taiwan
[2] Natl Yang Ming Chiao Tung Univ, Sch Med, Fac Med, Taipei, Taiwan
[3] Natl Yang Ming Chiao Tung Univ, Inst Bioinformat & Syst Biol, Taipei, Taiwan
[4] Taipei Vet Gen Hosp, Dept Radiol, Taipei, Taiwan
[5] Natl Yang Ming Chiao Tung Univ, Inst Clin Med, Coll Med, Taipei, Taiwan