GeospatialX Lab, Department of Geography, National University of Singapore (NUS), National University of Singapore (NUS), Curtin University, National Environment Agency (Singapore), The University of Hong Kong, The Chinese University of Hong Kong, National Environment Agency (Singapore), University of Southampton - WorldPop, London School of Hygiene & Tropical Medicine, National University of Singapore (NUS), Curtin University, National University of Singapore (NUS), Nanyang Technological University, University of Oxford and London School of Hygiene & Tropical Medicine - Centre for Mathematical Modelling of Infectious Diseases