Article History
Received: 7 May 2020
Accepted: 26 December 2020
First Online: 20 January 2021
Compliance with ethical standards
:
: The authors report no conflicts of interest related to the work.
: The research was approved by the Human Research Ethics Committee of The Technological and Higher Education Institute of Hong Kong and conducted in respect to the principles of the Declaration of Helsinki.
: All subjects were informed about the testing procedures, and potential risks and benefits, and written informed consent and medical screening were completed before participation.