Liang, Hong
Wang, Dawei
Che, Guoying
Su, Yanxin
Article History
Received: 29 May 2017
Accepted: 21 January 2018
First Online: 16 February 2018
Compliance with ethical standards
:
: Informed consent to the protocol was obtained from all patients and control subjects. The study was approved by our institutional ethics committee for human research.
: There are no financial or other relations that could lead to a conflict of interest.