R. Buabeng |  Ghana Field Epidemiology and Laboratory Training Programme | nanabuabeng@yahoo.com 
I. Baffoe-Nyarko | Ghana Field Epidemiology and Laboratory Training Programme | banyark@yahoo.co.uk
R. Osuoom | Ghana Field Epidemiology and Laboratory Training Programme | ratogm_erc@yahoo.com 
T Aphour | Ghana Field Epidemiology and Laboratory Training Programme | thelmaaphour@gmail.com 
B. Adzogble | Ghana Field Epidemiology and Laboratory Training Programme | badzobgble@yahoo.com