Funding for this research was provided by:
National Natural Science Foundation of China (81272722)
Program for key talents of Zhongshan hospital (2015ZSYXGG12)
Text and Data Mining valid from 2019-07-25
Received: 4 January 2019
Accepted: 16 July 2019
First Online: 25 July 2019
Ethics approval and consent to participate
: All patients provided written informed consent and the Ethic Committee of Fudan University approved the present study.
: All patients provided written informed consent to participate the study and agreed to publish data presented in the paper.
: The authors declare that they have no competing interests.