1. Centre for Environmental and Respiratory Health Research, Faculty of Medicine, University Of Oulu, Finland
2. Department of Biological, Environmental & Occupational Health Sciences, School of Public Health, College of Health Sciences, University of Ghana, Legon, Accra, Ghana
3. Environment, Health and Hazards Lab, Department of Geography, Western University, London, Ontario, Canada
4. Environmental Health Group, Department of Chemistry, University of Cape Coast, Cape Coast, Ghana
5. Department of Geography, Western University Canada, London, Ontario, Canada
6. Ghana Health Service, Accra, Ghana
7. Public Health Unit (Biostatistics), Korle-bu Teaching Hospital, Accra, Ghana
8. School of the Environment, Jiangsu University, Jiangsu, China
9. Department of Economics, University of Ghana, Legon, Ghana
10. Department of Child, Adolescent and Adult Health, National Institute for Health and Welfare, Oulu, Finland
11. School of Health Sciences, University of Tampere, Tampere, Finland
12. Council for Scientific and Industrial Research, Accra, Ghana