[1] Queen Elizabeth Hospital,Infectious Diseases Unit, Department of Medicine
[2] Queen Elizabeth Hospital,Clinical Research Centre
[3] Queen Elizabeth Hospital,Microbiology Unit, Department of Pathology
[4] Queen Elizabeth Hospital,Department of Medicine
[5] Jesselton Medical Centre,Department of Medicine, Yong Loo Lin School of Medicine, National University Health System
[6] National University of Singapore,Lee Kong Chian School of Medicine
[7] Nanyang Technological University,Institute of Infectious Disease and Epidemiology
[8] Tan Tock Seng Hospital,undefined
[9] Global Health Division,undefined
[10] Menzies School of Health Research,undefined