Zhang, JiaNan
Fan, Yong
He, Xin
Meng, YiBin
Huang, YunFei
Jia, ShuaiJun
Du, JinPeng
Wu, QiNing
Hao, DingJun
Article History
Received: 24 November 2017
Accepted: 1 February 2018
First Online: 14 February 2018
Compliance with ethical standards
:
: 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.
: For this type of study, formal consent was not required.