[1] Science, Mathematics and Technology Cluster, Singapore University of Technology and Design, 8 Somapah Road, S487372, Singapore
[2] MOH Holdings Pte Ltd, 1 Maritime Square, S099253, Singapore
[3] Department of Emergency Medicine, Singapore General Hospital, Singapore
[4] Pre-hospital and Emergency Research Center, Duke-NUS Medical School, Singapore
[5] Health Services and Systems Research, Duke-NUS Medical School, Singapore