Zuo, Kai
Kong, Li
Xue, Dong
Yang, Yanyan
Xie, Linlin
Article History
Received: 21 December 2016
Accepted: 27 April 2018
First Online: 22 May 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: This study was approved by the ethics committee of Binzhou People’s Hospital, China. This study was done in accordance with the Declaration of Helsinki, Good Clinical Practice, and Chinese regulatory requirements.