Funding for this research was provided by:
The Chinese University of Hong Kong (3132564, 4052068)
Article History
First Online: 14 February 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflicts of interest.
: Ethical standards set forth by the Survey and Behavioral Research Ethics Committee, The Chinese University of Hong Kong, are followed in conducting the study. The study was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from all individual participants included in the study.