[1] Univ Cape Town, Fac Hlth Sci, Div Hepatol, Cape Town, South Africa
[2] Univ Cape Town, Fac Hlth Sci, Dept Med, Cape Town, South Africa
[3] Univ Cape Town, Fac Hlth Sci, Div Gen Surg, Surg Gastroenterol Unit, Cape Town, South Africa
[4] UCL, Med Sch, London, England
[5] Kings Coll Hosp London, London, England
[6] Ibn Sina Hosp, Natl Ctr Gastrointestinal & Liver Dis, Khartoum, Sudan
[7] Kwame Nkrumah Univ Sci & Technol, Coll Hlth Sci, Dept Med, Kumasi, Ghana
[8] Maputo Private Hosp, Gastroenterol Unit, Maputo, Mozambique
[9] St Pauls Hosp Millennium, Med Coll, Dept Internal Med, Addis Ababa, Ethiopia
[10] Univ Zimbabwe, Fac Med & Hlth Sci, Internal Med Unit, Harare, Zimbabwe
[11] Univ Witwatersrand, Sch Clin Med, Dept Internal Med, Hepatitis Virus Divers Res Unit, Johannesburg, South Africa
[12] Clin Darne, Curepipe, Mauritius
[13] Univ Lagos, Coll Med, Gastroenterol & Hepatol Unit, Lagos, Nigeria
[14] Komfo Anokye Teaching Hosp, Dept Med, Kumasi, Ghana
[15] King Faisal Hosp, Dept Med, Kigali, Rwanda
[16] Gambia London Sch Trop Med, MRC Unit, Dis Control & Eliminat Theme, London, England
[17] Imperial Coll London, Dept Metab Digest & Reprod, London, England
[18] Nile Univ, Teaching Hosp, Asokoro Dist Hosp, Abuja, Nigeria
[19] Makerere Univ, Coll Hlth Sci, Sch Med, Kampala, Uganda
[20] Univ Jos, Jos Univ Teaching Hosp, Coll Hlth Sci, Dept Internal Med,Gastroenterol & Hepatol Unit, Jos, Nigeria
[21] Muhimbili Natl Hosp, Gastroenterol Training Ctr, Dept Internal Med, Dar Es Salaam, Tanzania
[22] Addis Ababa Univ, Coll Hlth Sci, Dept Internal Med, Div Gastroenterol & Hepatol, Addis Ababa, Ethiopia
[23] Moi Univ, Coll Hlth Sci, Sch Med, Dept Med, Eldoret, Kenya
[24] Univ Douala, Fac Med & Pharmaceut Sci Douala, Douala, Cameroon