Tsang, Anderson Chun On http://orcid.org/0000-0003-2758-3253
Tsang, Frederick Chun Pong
Lee, Raymand
Leung, Gilberto Ka Kit
Lui, Wai Man
Article History
Received: 27 May 2019
Accepted: 29 May 2019
First Online: 5 June 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in the studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.