1. Department of Finance, University of Ghana Business School, Legon, Accra, Ghana.
2. Regional Institute for Population Studies, University of Ghana, Legon, Accra, Ghana.
3. Institute for Social Science Research, University of Queensland, Indooroopilly, QLD, Australia.
4. Heilbrunn Department of Population and Family Health, Mailman School of Public Health, Columbia University, New York, NY, USA.