Ding, Ying
Rao, Sheng-xiang
Wang, Wen-tao
Chen, Cai-zhong
Li, Ren-chen
Zeng, Mengsu
Funding for this research was provided by:
the National Science Foundation for Young Scientists of China (Grant No. 81701682)
the Shanghai Natural Science Fund (Grant No. 17ZR1427300)
Article History
Received: 16 July 2018
Accepted: 29 November 2018
First Online: 7 December 2018
Ethics approval and consent to participate
: Retrospective data collection and analysis were approved by the institutional review board of our university.
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: All the authors: Ying Ding, Sheng-xiang Rao, Wen-tao Wang, Cai-zhong Chen, Ren-chen Li and Mengsu Zeng. The authors declare that they have no competing interests.
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