Fan, Yuru
Hou, Wenwen
Feng, Shi
Mao, Pengyuan
Wang, Xian
Jiang, Jianan
Yuan, Hongmei
Shen, Xiaofeng
Feng, Shanwu http://orcid.org/0000-0002-5946-2811
Li, Ping
Article History
Received: 13 May 2019
Accepted: 17 October 2019
First Online: 30 October 2019
Compliance with ethical standards
:
: The 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 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.