Jiang, Nan http://orcid.org/0000-0003-0714-750X
Cleland, Charles M.
Wang, Man Ping
Kwong, Antonio
Lai, Vienna
Lam, Tai Hing
Article History
Received: 14 April 2019
Accepted: 11 August 2019
First Online: 16 August 2019
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of the University of Hong Kong/Hospital Authority Hong Kong West Cluster. All participants signed consent online prior to their participation in this study. All data are anonymous and we did not collect personal identification information.
: Not applicable.
: The authors declare that they have no competing interests.