Funding for this research was provided by:
Department of Rehabilitation Sciences, The Hong Kong Polytechnic University (startup fund)
Text and Data Mining valid from 2019-07-30
Received: 15 June 2018
Accepted: 17 July 2019
First Online: 30 July 2019
Ethics approval and consent to participate
: The present study protocol has been approved by the Institutional Review Board (IRB) in the Ethics Committee of The Hong Kong Polytechnic University (Ref number: HSEARS20161214002).
: Not applicable.
: The authors declare that they have no competing interests.