University of York - Centre for Health Economics, Imperial College London - Department of Infectious Disease Epidemiology, Government of Malawi - Department of Pharmaceuticals, Government of Malawi - Department of Pharmaceuticals, University College London - Institute for Global Health, University College London - Institute for Global Health, University College London - UCL Centre for Advanced Research, Imperial College London, University College London, University of Malawi - College of Medicine, Imperial College London, University College London, University College London, University College London, Ministry of Health and Population, Lilongwe - Department of Planning and Policy Development, Kamuzu University of Health Sciences - School of Global and Public Health (SOGAPH), Kamuzu University of Health Sciences - Health Economics and Policy Unit, University of Bergen, University of York, University College London - Institute for Global Health and Imperial College London - MRC Centre for Global Infectious Disease Analysis

Kamuzu University of Health Sciences, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, University of Malawi - Malawi-Liverpool-Wellcome Trust Clinical Research Programme, Kamuzu University of Health Sciences - Health Economics and Policy Unit, University of Malawi - Malawi-Liverpool-Wellcome Trust Clinical Research Programme, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN