Received: 14 July 2019
Accepted: 22 August 2019
First Online: 3 September 2019
Ethics approval and consent to participate
: The Institutional Review Board of the University of Hong Kong/Hospital Authority Hong Kong West Cluster (UW09–435) approved this study. Research staff invited patients to participate and obtained written consent in the hospital, then contacted consented respondents via telephone 1 week post-discharge.
: Not applicable.
: The authors declare that they have no competing interests.