Funding for this research was provided by:
Natural Science Research Project of Education Department of Anhui Province (KJ2013Z332)
Anhui provincial College Students Innovation and Entrepreneurship Program Training Project (AH201310368141)
Humanities and Social Science Research Project of Education Department of Anhui Province (SK2019A0228)
Article History
Received: 10 October 2018
Accepted: 28 August 2019
First Online: 4 September 2019
Ethics approval and consent to participate
: The study received ethical approval from the Ethical Committee of Wannan Medical College, Wuhu, China. All participants and their guardians were informed about the study and provided verbal informed consent before the study was conducted. The procedure was approved by the ethics committee.
: Not applicable.
: The authors declare that they have no competing interests.