Funding for this research was provided by:
National Natural Science Foundation of China (81720108003, 81670285)
School of Medicine, Shanghai Jiao Tong University (DLY201609)
Foundation of Shanghai Municipal Commission of Health and Family Planning (GWIV-23)
the Experts Recruitment Program of Xinhua Hospital (Re-013)
Text and Data Mining valid from 2018-09-17
Received: 7 May 2018
Accepted: 7 September 2018
First Online: 17 September 2018
Ethics approval and consent to participate
: Written informed consent was obtained from both patient and control group participants. The study was conducted in accordance with the Declaration of Helsinki, and the protocol was approved by the Ethics Committee of Xin Hua Hospital.
: Not applicable.
: The authors declare that they have no competing interests.
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