Funding for this research was provided by:
Health and Family Planning Committee of Pudong New Area (PWZxk2017-08)
Text and Data Mining valid from 2019-03-13
Received: 29 November 2018
Accepted: 6 March 2019
First Online: 13 March 2019
Ethics approval and consent to participate
: The present study has been approved by Institution Review Board of East Hospital Affiliated to Tongji University School of Medicine (No: Twenty-eighth, 2018; Date: June 16, 2018). Informed consent and protocols were obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.
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