G. Akowuah | Ghana Field Epidemiology and Laboratory Training Programme, University of Ghana, Accra | cirjorge@gmail.com
M.A. Odikro | Ghana Field Epidemiology and Laboratory Training Programme, University of Ghana, Accra | odikrom@gmail.com
J. A. Frimpong | Ghana Field Epidemiology and Laboratory Training Programme, University of Ghana, Accra| asamoah.frimpong@gmail.com
S. Sackey | Ghana Field Epidemiology and Laboratory Training Programme, University of Ghana, Accra | sackey492003@yahoo.co.uk
E Kenu | Ghana Field Epidemiology and Laboratory Training Programme, University of Ghana, Accra | Ernest_kenu@yahoo.com