Funding for this research was provided by:
National Natural Science Foundation of China (11672027)
National Natural Science Foundation of China (11902089)
Received: 19 August 2020
Accepted: 15 January 2021
First Online: 2 February 2021
Ethics approval and consent to participate
: This study was conducted in accordance with clinical protocols approved by the institutional review board of Affiliated Hospital of National Research Center for Rehabilitation Technical Aids (NO. 20190102). All subjects were briefed on study aims and methods and gave informed written consent prior to participation.
: Not applicable.
: The authors declare that they have no competing interests.