[1] Makarere Univ, Dept Biochem, Kampala, Uganda
[2] Univ Antwerp, Lab Gastroenterol, B-2020 Antwerp, Belgium
[3] Univ Antwerp, Fac Med, Pathol Lab, B-2020 Antwerp, Belgium
[4] Univ Antwerp Hosp, Dept Gastroenterol Hepatol, Antwerp, Belgium
[5] Makerere Univ, Fac Vet Med, Kampala, Uganda
[6] Makerere Univ, Dept Pathol, Kampala, Uganda