Hu, Hong-Tao
Xu, Jing-Jing
Lin, Jing
Li, Cheng
Wu, Yan-Ting
Sheng, Jian-Zhong
Liu, Xin-Mei
Huang, He-Feng
Funding for this research was provided by:
International Cooperation Project of China and Canada NSFC (81661128010)
National Key Research and Development Program of China (2017YFC1001303)
National Natural Science Foundation of China (31471405)
Medical Crossover Foundation of Shanghai Jiao Tong University (YG2015MS42)
Article History
Received: 31 January 2018
Accepted: 12 June 2018
First Online: 28 June 2018
Ethics approval and consent to participate
: Ethical approval for this project was granted by the Ethics Committee of the International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University. Being a retrospective study, consent to participate was waived.
: 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.