Wu, Jianghua
Zhang, Yanhui
Ding, Tingting
Cheng, Runfen
Gong, Wenchen
Guo, Yuhong
Luo, Ye
Pan, Yi
Zhai, Qiongli
Sun, Wei
Lin, Dongmei
Sun, Baocun
Funding for this research was provided by:
National Natural Science Foundation of China (81871860)
Science and Technology Fund of Tianjin Bureau of Public Health (2014KZ084)
Article History
First Online: 1 December 2019
Compliance with Ethical Standards
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: The authors declare that they have no conflicts of interest.