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Article History

Received: 29 September 2021

Accepted: 24 November 2021

First Online: 4 January 2022

Declarations

:

: This study conformed to the principles outlined in the Declaration of Helsinki. Ethics approval (Case reference number: BJ202006007) was obtained from the Ethics Committee of School of Economics and Management, Beijing Jiaotong University in China in which the study was undertaken. All participants provided informed consent before fill in the questionnaire.

: Not applicable.

: The authors declare that they have no competing interests.