G. Akowuah | Ghana Field Epidemiology and Laboratory Training Program (GFELTP) | cirjorge@gmail.com 
M. Odikro | Ghana Field Epidemiology and Laboratory Training Program (GFELTP)| odikrom@gmail.com
J. A. Frimpong | Ghana Field Epidemiology and Laboratory Training Program (GFELTP) | asamoah.frimpong@gmail.com
S. Sackey | Ghana Field Epidemiology and Laboratory Training Program (GFELTP) | sackey492003@yahoo.co.uk
E Kenu | Ghana Field Epidemiology and Laboratory Training Program (GFELTP) | Ernest_kenu@yahoo.com