Funding for this research was provided by:
National Natural Science Foundation of China (81301845)
Article History
Received: 10 September 2018
Accepted: 10 December 2018
First Online: 1 January 2019
Compliance with ethical standards
:
: Ye Jin, Zhi-Yong Liang, Wei-Xun Zhou and Li Zhou declare that they have no conflict of interest.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (Institutional and National) and with the Helsinki Declaration of 1975, as revised in 2008. This study was approved by the institutional ethics committee and informed consent was obtained from all patients.