Shi, Meng
Du, Tianjiao
Funding for this research was provided by:
Department of Education of Liaoning province (2018:387, LQNR201705)
China Medical University (3110118063, YDJK2018008)
Article History
Received: 15 May 2019
Accepted: 13 April 2020
First Online: 17 April 2020
Ethics approval and consent to participate
: The study was approved by the Institutional Review Board of China Medical University, and written informed consent was obtained from each participant.
: Not applicable.
: The authors declare that they have no competing interests.