Funding for this research was provided by:
National Natural Science Foundation of China (81200921, 81400925, 81471148)
Projects of the Shanghai Committee of Science and Technology, China (17401901000)
Text and Data Mining valid from 2018-03-15
Received: 9 July 2017
Accepted: 5 March 2018
First Online: 15 March 2018
Ethics approval and consent to participate
: Ethical approval for the original study was obtained from the Ethics Committee of Xin Hua Hospital affiliated to Shanghai Jiaotong University School of Medicine. And all participants provided written informed consent.
: All participants and author provided written consent for publication.
: The authors declare that they have no competing interests.
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