Fan, Wei
Li, Xue-jiao
Gao, Hong
Yi, Xin
Liu, Qiao-jian
Article History
Received: 13 April 2018
Accepted: 21 September 2018
First Online: 16 October 2018
Compliance with ethical standards
:
: The authors declare that they have no conflicts 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 1964 and later versions.
: Informed consent was obtained from all patients for being included in the study.