Lei, Pengfei
Du, Wei
Liu, Hao
Wu, Panfeng
Zhou, Zhengbing
Yu, Fang
Qing, Liming
Pan, Ding
Liu, Rui
Zeng, Lei
Cao, Zheming
Ou, Qifeng
Tang, Juyu
Funding for this research was provided by:
General project of national natural science foundation of China (Grant No. 81871577)
Natural Science Foundation of Hunan Province (Grant No. 2018JJ3844)
Scientific Research Project of Health and Family Planning Commission of Hunan Province (Grant No. B2019188)
Young Science Foundation of Xiangya Hospital Central South University (Grant No. 2017Q07)
Postdoctoral Research Program of Xiangya Hospital Central South University (Grant No. 223551)
Article History
Received: 27 June 2019
Accepted: 30 October 2019
First Online: 28 November 2019
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of Xiangya Hospital, Central South University.
: Signed informed consents were obtained from parents.
: The authors declare that they have no competing interests.