Funding for this research was provided by:
Fundamental Research Funds for the Central Universities, (YD9110002008 to SH and YD9110002002 to XY)
Received: 24 June 2020
Accepted: 11 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: The study was conducted in accordance with the regulations and ethics followed at Ethics Committee of Institute of Psychology, Chinese Academy of Sciences and in compliance with the Declaration of Helsinki. The study protocol was approved by the institutional review board: Ethics Committee of Institute of Psychology, Chinese Academy of Sciences (reference number: H20016). Written informed content was obtained from the participants prior to the survey.
: Not applicable.
: The author declares there is no conflict of interest.