Wang, Xiangxiang
Guan, Qingbo
Zhao, Jiajun
Yang, Feifei
Yuan, Zhongshang
Yin, Yongchao
Fang, Rui
Liu, Lingwei
Zuo, Changting
Gao, Ling
Funding for this research was provided by:
the National Key Research and Development Program of China (2017YFC1309800, 2017YFC0909600)
the Cliniacal Research Fund of Chinese Medical Association (15010010589)
the Research Fund for Public Welfare, National Health and Family Planning (201402005)
Key Research and Department of Shandong Provincial (2016GSF201013)
Article History
Received: 28 November 2017
Accepted: 12 March 2018
First Online: 11 April 2018
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Shandong Provincial Hospital, and written informed consent was obtained from every participant before enrollment.
: Not applicable.
: The authors declare that they have no competing interests.
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