Funding for this research was provided by:
National Natural Science Foundation of China (81872112, 81572256, 81772766, 81871864)
Key Technologies Research and Development Program (2016YFC1302900)
Key R&D Program of Zhejiang Province (2019C03010)
Medical Health Science and Technology Key Project of Zhejiang Provincial Health Commission (2017211914)
Text and Data Mining valid from 2019-10-17
Received: 8 April 2019
Accepted: 25 September 2019
First Online: 17 October 2019
Ethics approval and consent to participate
: This study was reviewed and approved by the Ethnics Committees of Women’s Hospital of Zhejiang University School of Medicine (Hangzhou, China). The study was conducted in accordance with the International Ethical Guidelines for Biomedical Research Involving Human Subjects.
: All authors have agreed to publish this manuscript.
: The authors declare that they have no competing interests.