Funding for this research was provided by:
Hunan Philosophy and Social Science Fund (18YBA441)
Received: 2 October 2019
Accepted: 17 May 2020
First Online: 29 May 2020
Ethics approval and consent to participate
: Ethical review and approval were performed by the IRB of behavioural and nursing research in the School of Nursing of Central South University (Project Number 2017028). The informed consent obtained from participants was written. After participants read the contents of the consent form and agreed to participate in the study, they checked “consent” button and began to fill in the questionnaire. Participation in this study was voluntary, anonymous and confidential.
: Not applicable.
: Authors have read BioMed Central’s guidance on competing interests and declare that none of the authors have any competing interests.