Xu, Zequan
Wu, Song
Li, Wenzhe
Dou, Yan
Wu, Qiang
Funding for this research was provided by:
Health Bureau of Shanghai City (201440029)
Article History
Received: 11 August 2017
Accepted: 8 March 2018
First Online: 20 March 2018
Ethics approval and consent to participate
: The Declaration of Helsinki was strictly followed in all procedures. Written informed consent was obtained from all subjects. And the study was approved by the Office of Research Ethical Committee of the Shanghai Jiao Tong University Affiliated Sixth People’s Hospital,
: Not applicable
: The authors declare that they have no competing interests.
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