University College London, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Columbia University, University College London, University College London, affiliation not provided to SSRN, University College London, Malaria Consortium, Jawaharlal Nehru University, The University of Hong Kong, affiliation not provided to SSRN and University College London - Great Ormond Street Institute of Child Health