K.A. Adjei-Manu | Municipal Health Directorate, Sunyani | kwakuaam@yahoo.com
D.M. Kangbai | Ministry of Health and Sanitation, Sierra Leone | desmakay@yahoo.com
C. Nuolabong | Ghana Field Epidemiology and Laboratory Training Programme, University of Ghana  | culbertnuolabong@yahoo.com
C.L Noora | Ghana Field Epidemiology and Laboratory Training Programme, University of Ghana  | nooralwanga@gmail.com
Ernest Kenu | | Ghana Field Epidemiology and Laboratory Training Programme, University of Ghana  | Ernest_kenu@yahoo.com