John H Amuasi1, Andrea S Winkler2. 1. Global Health and Infectious Diseases Research Group, Kumasi Collaborative Center for Research in Tropical Medicine, Kumasi PMB UPO, Ghana; Department of Global Health, School of Public Health, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana. Electronic address: amuasi@kccr.de. 2. Centre for Global Health, Institute of Health and Society, University of Oslo, Oslo, Norway; Center for Global Health, Department of Neurology, Technical University of Munich, Munich, Germany.