[1] Bishop Ackon Mem Christian Eye Ctr, POB AD 184, Cape Coast, Ghana
[2] Inst Trop Med, B-2000 Antwerp, Belgium
[3] UNICEF UNDP World Bank WHO, Special Programme Res & Training Trop Dis TDR, CH-1211 Geneva, Switzerland
[4] KNH, Medwise Solut, POB 2356, Nairobi 00202, Kenya
[5] Bond Univ, Inst Evidence Based Healthcare, Gold Coast, Qld 4226, Australia
[6] Council Sci & Ind Res Water Res Inst, POB M 32, Accra, Ghana
[7] TB Res & Prevent Ctr, Yerevan 0014, Armenia
[8] Cape Coast Teaching Hosp, CT 1363, Cape Coast, Ghana
[9] AngloGold Ashanti Ghana, POB 2665, Obuasi Mine, Obuasi, Ghana
[10] Univ Cape Coast, Univ Eye Hosp, POB 5007, Cape Coast, Ghana