Li, Huotao
Yang, Chao
Zhang, Jiao
Zhong, Wei
Zhu, Lei
Chen, Yongfeng
Article History
Received: 22 May 2019
Accepted: 13 February 2020
First Online: 3 March 2020
Compliance with ethical standards
:
: Authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.