1. Centre for Drugs and Diagnostics, Department of Tropical Disease Biology, Liverpool School of Tropical Medicine, Liverpool L3 5QA, UK.
2. Global Pharmaceutical Research and Development, AbbVie, North Chicago, IL, USA.
3. Franciscan Institute for World Health, Franciscan University, Steubenville, OH, USA.
4. Institute for Medical Microbiology, Immunology and Parasitology, University Hospital Bonn, Bonn, Germany.
5. Research Foundation for Tropical Diseases and the Environment, Buea, Cameroon.
6. Department of Microbiology and Parasitology, University of Buea, Buea, Cameroon.