Zhang, Lei
Zhang, Zhiping
Bi, Xingyu
Mao, Yong
Cheng, Yanbing
Zhu, Pengfei
Xu, Suming
Wang, Yaoqin
Zhan, Xiaoyu
Fan, Junmei
Yuan, Yuan
Bi, Huixia
Wu, Xueqing
Article History
Received: 22 October 2019
Revised: 10 January 2020
Accepted: 22 January 2020
First Online: 13 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: We obtained fully informed written consent from adult subject in this study and publication of clinical data. This study was approved by the Ethics Committee of Children’s Hospital of Shanxi and Women Health Center of Shanxi (research license: IRB-KY-2019–002).