Kwong, Lee Ting
Wong, Sai Fun
So, Po Lam
Article History
Received: 19 December 2022
Accepted: 20 March 2023
First Online: 29 March 2023
Declarations
:
: The study was approved by the New Territories West Cluster Ethics Committee (reference: NTWC/CREC/15039) on 13 April 2015. Informed consent was obtained from all study participants.
: Not applicable.
: The authors declare they have no competing interests.