Funding for this research was provided by:
Health and Medical Research Fund, Food and Health Bureau, the Hong Kong SAR Government (14151771)
Research Grants Council (RGC) of Hong Kong (14201314)
Research Grants Council (RGC) of Hong Kong (14209416)
Research Grants Council (RGC) of Hong Kong (14202115)
Article History
Received: 22 February 2018
Accepted: 25 September 2018
First Online: 3 October 2018
Compliance with Ethical Standards
:
: CH Cheng declares that he has no conflict of interest. YH Kuo declares that he has no conflict of interest. Z Zhou declares that he has no conflict of interest.
: All procedures performed in 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. This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.
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