Declarations
Ethics Approval: The study was approved by the Institutional Review
Board of the University of Hong Kong/ Hospital Authority Hong Kong West
Cluster [Reference: UW 20-292 and UW 21-157] and the Kowloon West
Cluster Research Ethics Committee [Reference: KW/FR-20-086(148-10)]
Availability of data and materials: Raw data will be made
available upon reasonable request