Ng, Alex W. H.
Griffith, James F.
Tong, Cina S. L.
Law, Eric K. C.
Tse, W. L.
Wong, Clara W. Y.
Ho, P. C.
Article History
Received: 8 June 2019
Revised: 24 July 2019
Accepted: 26 July 2019
First Online: 9 August 2019
Compliance with ethical standards
:
: All procedures performed in this study were in accordance with the ethical standards of our institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. Written informed consent was obtained from all individual participants included in the study.
: There are no conflicts of interest for any of the authors.