Diao, Hua
Pu, Yang
Yang, Lianjian
Li, Ting
Jin, Feng
Wang, Hong http://orcid.org/0000-0002-2522-1921
Funding for this research was provided by:
Social Sciences Research Planning Fund Project from Ministry of Education Humanities (17YJA840015)
Article History
Accepted: 18 September 2019
First Online: 27 September 2019
Compliance with ethical standards
:
: The authors declare no conflicts of interest.
: All procedures involving human participants were in accordance with the ethical standards of the institution or practice at which the study was performed. The study was approved by the Ethics Committee of the Chongqing Medical University.
: Participants and their parents were informed of the study aims and methods, and written informed consent was obtained prior to the investigation.