Zhang, Wei
Zhang, Zhuo
Li, Jiantao
Zhang, Licheng
Chen, Hua
Tang, Peifu http://orcid.org/0000-0003-4279-1704
Article History
Received: 30 August 2018
Accepted: 12 November 2018
First Online: 20 November 2018
Ethics approval and consent to participate
: This study is a retrospective, observational study. Its design and implementation conformed with the Declaration of Helsinki and approved by the ethics committee of General Hospital of Chinese People’s Liberation Army. Written informed consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.
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