Kam, Chester Chun Seng http://orcid.org/0000-0003-3003-0713
Sun, Shaojing
Funding for this research was provided by:
University of Macau (MYRG2018-00010-FED)
Article History
First Online: 9 February 2020
Compliance with Ethical Standards
:
: The authors declare they have no conflict of interest.
: The study was 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.
: The authors obtained informed consent from all participants in the study.