Xu, Xiaowen
Zhu, Li
Yang, Yun
Pan, Yamin
Feng, Zhuo
Li, Ye
Chang, Wenjun
Sui, Jinke
Cao, Fuao
Funding for this research was provided by:
National Natural Science Foundation of China (81502416, 81572451, 81402005)
Article History
Received: 3 November 2018
Revised: 15 March 2019
Accepted: 18 March 2019
First Online: 16 April 2019
Competing interests
: The authors declare no competing interests.
: The ethics committee of Changhai Hospital ruled that no formal ethics approval was required in this particular case. The study was performed in accordance with the Declaration of Helsinki.
: All authors agree to publish the paper in its present form.
: All the data analysed or generated in this study are included in this article and its supplementary information file.
: This work is published under the standard license to publish agreement. After 12 months the work will become freely available and the license terms will switch to a Creative Commons Attribution 4.0 International (CC BY 4.0).