Funding for this research was provided by:
2019 Youth Project of Huazhong University of Science & Technology (2019WKYXQN029)
Received: 5 August 2019
Accepted: 13 January 2020
First Online: 6 February 2020
Ethics approval and consent to participate
: This study was approved by the Ethical Review Committee of the School of Sociology, Huazhong University of Science & Technology (Wuhan, China). All participants read the consent form before the data collection began and verbally consented the interviews, which was specially approved by the ethical review committee over written consent as after the samples were screened, they have been formally notified and made clear whether they would like to participate in the survey.
: Not applicable.
: The author declares that she has no competing interests.