Fung, Ka-Po
Chan, Kei-Hong
Ng, Vivien
Tsui, Ping-Tim
You, Joyce H. S. https://orcid.org/0000-0002-5763-7403
Article History
First Online: 19 March 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The study protocol was approved by Kowloon West Cluster Research Ethics Committee of Hospital Authority prior to the initiation of the study.
: For this retrospective study, formal consent was waived by the Kowloon West Cluster Research Ethics Committee of Hospital Authority.