1. Department of Biochemistry and Biotechnology, Kwame Nkrumah University of Science and Technology (KNUST), PMB University Post Office, Kumasi, Ghana
2. Faculty of Medicine, University of Southampton, Level B, South Academic Block, Southampton General Hospital, Southampton, UK
3. Facultad de Ciencias de la Salud, Universidad Rafael Landívar, Ciudad de Guatemala, Guatemala
4. Department of Population Health, London School of Hygiene and Tropical Medicine, London, UK
5. Human Development and Health, Faculty of Medicine, University of Southampton, Southampton, UK