Hu, Huimin
Wang, Changyuan
Jin, Yue
Meng, Qiang
Liu, Qi
Liu, Zhihao
Liu, Kexin
Liu, Xiaoyu
Sun, Huijun
Funding for this research was provided by:
National Natural Science Foundation of China (81273508)
Medical Research Project of Dalian municipal commission of Health and Family Planning (17Z2002)
Article History
First Online: 12 October 2018
Compliance with Ethical Standards
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: The authors report no declarations of interest.