Wang, Shujin http://orcid.org/0000-0003-2485-9023
Li, Guohong
Zuo, Hong
Yang, Hua
Ma, Lei
Feng, Jia
Niu, Yu
Ma, Liming
Liu, Songfang
Qi, Ting
Liu, Xufeng
Funding for this research was provided by:
Health Programs of Xi’an (SF1020(2))
Article History
Received: 8 December 2017
Accepted: 11 April 2019
First Online: 15 July 2019
Ethics approval and consent to participate
: Our study was performed in accordance with the Declaration of Helsinki with regard to ethical principles for research involving human subjects and was approved by the Research Ethics Committee of the Ninth Hospital of Xi’an. Written, informed consent was obtained from all of the participants prior to their participation in our study.
: None required.
: The authors declare that they have no competing interests.
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