Hu, Yiwen
Dong, Xinhuai
He, Zhenjian
Wu, Yun
Zhang, Shihao
Lin, Jiajie
Yang, Yi
Chen, Jiahui
An, Shu
Yin, Yingxian
Shen, Zhiyong
Zeng, Gucheng
Tian, Han
Cai, Junchao
Yang, Yi
Guan, Hongyu
Wu, Jueheng
Li, Mengfeng
Zhu, Xun
Article History
Received: 5 April 2019
Accepted: 29 May 2019
First Online: 7 June 2019
Ethics approval and consent to participate
: All human subjects provided written, informed consent to participate in accordance with the Declaration of Helsinki before sample collection. The protocols and informed consent forms used in this study were reviewed and approved by the Scientific and Ethical Committee of Guangzhou Women and Children’s Medical Center.
: Not applicable.
: The authors declare that they have no competing interests.