Funding for this research was provided by:
Liaoning planning Program of Philosophy and Social Science (L19BSH014)
Article History
Received: 14 April 2020
Accepted: 3 July 2020
First Online: 10 July 2020
Ethics approval and consent to participate
: The study protocol was approved by the Institutional Review Board of China Medical University and the study process met the ethical standards. Each participant completed a written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.