Zhang, Li
Chen, Jiasheng
Gao, Chunming
Liu, Chuanmiao
Xu, Kuihua
Funding for this research was provided by:
Bengbu Medical College (BYKY1677)
Article History
Received: 23 October 2017
Accepted: 27 February 2018
First Online: 16 March 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: Informed consent was obtained from all individual participants included in the study.
: 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.