Wong Eliza Lai-Yi, Yeoh Eng-Kiong, Dong Dong
JC School of Public Health and Primary Care, Chinese University of Hong Kong.
Room 419, 4/F, JC School of Public Health and Primary Care, Prince of Wales Hospital, Shatin, NT, Hong Kong.
BMJ. 2020 Jun 5;369:m2229. doi: 10.1136/bmj.m2229.