1 Department of Population Health, Aga Khan University, 3rd Parklands Avenue off Limuru Road, P.O. Box 30270, Nairobi00100, Kenya.
2 Africa Centre for Tobacco Industry Monitoring and Policy Research, University of Pretoria, School of Health Systems and Public Health, Pretoria, South Africa.
3 Institute for Excellence in Health Equity, New York University School of Medicine, New York, United States of America.
4 Brain and Mind Institute, Aga Khan University, Nairobi, Kenya.
5 National Taxpayers Association, Nairobi, Kenya.
6 Policy and Tax Advisory Division, Kenya Revenue Authority, Nairobi, Kenya.