Yang, Xiong-gang
Feng, Jiang-tao
Wang, Feng
He, Xin
Zhang, Hao
Yang, Li
Zhang, Hao-ran
Hu, Yong-cheng http://orcid.org/0000-0003-2817-7011
Article History
Received: 6 June 2019
Accepted: 31 August 2019
First Online: 9 September 2019
Compliance with ethical standards
:
: All 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.