1. SAMRC/Wits Centre for Health Economics and Decision Science – PRICELESS SA, Wits School of Public Health, Faculty of Health Science, University of the Witwatersrand, Parktown, Johannesburg, South Africa
2. Research Unit on the Economics of Excisable Products, School of Economics, University of Cape Town, Rondebosch, South Africa
3. Institute of Health Research, University of Health and Allied Sciences, PMB 31, Ho, Volta Region, Ghana.
4. Internal Audit Department, KNUST, PMB, Kumasi, Ghana.
5. Department of Health Policy, Management and Economics, School of Public Health, KNUST, PMB Kumasi, Ghana.