Lin, Jing
Liu, Han
Wu, Dan-Dan
Hu, Hong-Tao
Wang, Hui-Hui
Zhou, Cheng-Liang
Liu, Xin-Mei
Chen, Xiao-Jun
Sheng, Jian-Zhong
Huang, He-Feng
Article History
Received: 7 April 2019
Accepted: 21 June 2019
First Online: 5 November 2019
Ethics
: <b>Compliance and ethics</b> The author(s) declare that they have no conflict of interest. The study was approved by the Ethics Committee of the International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University. Written informed consent was obtained from all participants.