Wang, Yin-Yu
Liu, Ye
Li, Cheng
Lin, Jing
Liu, Xin-Mei
Sheng, Jian-Zhong
Huang, He-Feng http://orcid.org/0000-0002-0195-985X
Funding for this research was provided by:
National Natural Science Foundation of China (81661128010)
Doctoral Innovation Fund of Shanghai Jiao Tong University School of Medicin (BXJ201640)
Article History
Received: 10 April 2018
Accepted: 4 February 2019
First Online: 15 February 2019
Ethics approval and consent to participate
: This case-control study was approved by Ethics Committee of the International Peace Maternity and Child Health Hospital (Number: GKLW 2016–22).The access to medical records should be approved by Director, Science and Education department and Medical Records department in sequential order. Each patient’s personal information and medical record was also strictly protected.The informed consents to all participants in our study were written in paper, and all of them gave their signatures and agreed to take part in this study.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.