University College London, University of Pittsburgh, Build Health International, University College London - Institute for Global Health, University College London - Institute for Global Health, University College London - UCL Centre for Advanced Research, University College London, Karolinska Institutet - Department of Global Public Health, Government of Malawi, Imperial College London - Department of Infectious Disease Epidemiology, Kamuzu University of Health Sciences, University of York - Centre for Health Economics, Imperial College London, Kamuzu University of Health Sciences, University of York, PATH, Imperial College London, PATH, University College London, University of York, University College London - Institute for Global Health, Imperial College London - MRC Centre for Global Infectious Disease Analysis and University College London - Institute for Global Health

Imperial College London - Department of Infectious Disease Epidemiology, University of York - Centre for Health Economics, University College London - Institute for Global Health, University College London - Institute for Global Health, University College London - UCL Centre for Advanced Research, Ministry of Health (Malawi), University College London, University College London, University College London, University of Malawi - College of Medicine, Imperial College London, Ministry of Health (Malawi), Kamuzu University of Health Sciences, Imperial College London, University College London, University of York, University College London - Institute for Global Health, Kamuzu University of Health Sciences 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