Yip Wanfen, Ge Lixia, Ho Andy Hau Yan, Heng Bee Hoon, Tan Woan Shin
Health Services & Outcomes Research, National Healthcare Group, Singapore.
School of Social Sciences, Nanyang Technological University, Singapore.
Lancet Reg Health West Pac. 2021 Feb;7:100091. doi: 10.1016/j.lanwpc.2020.100091. Epub 2021 Jan 23.