Huang, Chen.
Chan, Ping-Keung.
Chiu, Kwong-Yuen.
Yan, Chun-Hoi.
Yeung, Shun-Shing.
Fu, Siu N.
Article History
Received: 20 April 2021
Accepted: 7 August 2021
First Online: 12 August 2021
Declarations
:
: This study followed the principle of the Declaration of Helsinki and was approved by the Human Subjects Ethics Sub-committee, Department of Rehabilitation Sciences, The Hong Kong Polytechnic University (Ref. HSEARS20170406003). The procedures were explained to the participants and they all gave their written informed consents prior to commencement of the study.
: Not applicable.
: The authors declare that they have no competing interests.