Song, Yutong
Zhu, Shenlin
Yang, Bi
Wang, Xue
Ma, Wei
Dong, Guangjing
Liu, Longqian http://orcid.org/0000-0002-2265-4625
Article History
Received: 6 July 2020
Revised: 21 December 2020
Accepted: 26 January 2021
First Online: 2 February 2021
Declarations
:
: The study was approved by the West China Ethics Committees in 2016 before the study began.
: All participants and their guardians were informed of the whole study and signed the informed consent forms.
: All authors.
: The authors declare no competing interests.
: Not applicable.