Chen, Lili
Fu, Fangmeng
Huang, Meng
Lv, Jinxing
Zhang, Wenzhe
Wang, Chuan http://orcid.org/0000-0002-4451-0788
Article History
Received: 30 October 2019
Accepted: 7 February 2020
First Online: 18 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflicts of interest.
: All the procedures performed in studies involving human participants adhere to the Ethical Standards of the Institutional and/or National Research Committee and with the Helsinki Declaration and its later amendments or comparable ethical standards.
: The requirement for informed consent was waived because of the low risk posed by this investigation.