Jiang, Ming-Ming
Mai, Zhi-Tao
Wan, Shan-Zhi
Chi, Yu-Min
Zhang, Xin
Sun, Bao-Hua
Di, Qing-Guo http://orcid.org/0000-0003-2930-0704
Article History
Received: 14 October 2017
Accepted: 28 December 2017
First Online: 25 January 2018
Compliance with ethical standards
:
: All the authors declare that they have no competing interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the Cangzhou Central Hospital. This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study.