[1] Internal Med Specialist Program, Fac Med, Dept Internal Med, Makassar, Indonesia
[2] Hasanuddin Univ, Fac Med, Dept Internal Med, Div Gastroenterol Hepatol, Makassar, Indonesia
[3] Dr Wahidin Sudirohusodo Hosp, Ctr Gastroentererol Hepatol HAM Akil, Makassar, Indonesia