Document is current
Any future updates will be listed below
-
Authors
Yang, Yunjuan http://orcid.org/0000-0002-3580-4434
Min, Jieqing
Chang, Litao
Chai, Jiajia
Song, Zhizhong
Zha, Shun
Zhang, Min
Liu, Hong
Yang, Fan
-
Funding
Funding for this research was provided by:
Yunnan Provincial Grant for the Academic Leadership in Medical Science (D-2018007)
a grant by Xishan District Bureau of Science and Technology (NO.34 Xizike)
the 16th Batch of Kunming Grant for the Young Academic and Technical Leadership (KMRCD-2018011)
- License Information
-
More Information
Article History
Received: 21 June 2020
Accepted: 17 January 2021
First Online: 12 February 2021
Ethics approval and consent to participate
: All participants’ parents gave written informed consent for their children’s participation in this survey.The survey was approved by the Medical Research Ethics Committee of Yunnan Preventive Medical Institute.
: Not applicable.
: The authors declare that they have no competing interests.
