Wang, Xin
Zhou, Tao
Wang, Peng
Zhang, Li
Feng, Shiyu
Meng, Xianghui
Yu, Xinguang
Zhang, Yanyang
Article History
Received: 8 March 2019
Accepted: 6 May 2019
First Online: 17 May 2019
Compliance with ethical standards
:
: We declare that we 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.
: Written informed consent was obtained from each patient in the study.