Weiji, Qiu http://orcid.org/0000-0002-3737-3391
Shitong, Li
Yu, Luo
Tianfang, Hua
Ning, Kong
Lina, Zhang
Funding for this research was provided by:
Hongkou Health Bureau, Shanghai, China (20150205)
Shanghai Municipal of Health
Article History
Received: 17 July 2017
Accepted: 4 January 2018
First Online: 12 January 2018
Ethics approval and consent to participate
: This prospective study was approved by the Ethics and Research Committee of the Shanghai Fourth People’s Hospital, (number 2015001, Shanghai China). Written informed consent was obtained from all the participants enrolled in the study.
: Not applicable.
: The authors declare that they have no competing interests.
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