Liu, Dan
Xu, Xueliang
Wang, Sha
Jiang, Chengzhi
Li, Xinhui
Tan, Jia
Deng, Zhihong
Article History
Received: 5 July 2019
Accepted: 28 October 2019
First Online: 2 December 2019
Compliance with ethical standards
:
: No conflict of interest
: This study was supported by Hunan Provincial Natural Science Foundation (No. 2019JJ80012).
: 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.