Li, Jianting
Xie, Qiu
Gao, Jun http://orcid.org/0000-0003-2316-4174
Wang, Fang
Bao, Yihua
Wu, Lihua
Yang, Lihong
Liu, Zhizhen
Guo, Rui
Khan, Ajab
Dan Liu,
Li, Caihua
Wu, Jianxin
Xie, Jun http://orcid.org/0000-0002-6161-5696
Article History
Received: 15 September 2019
Revised: 12 October 2020
Accepted: 14 October 2020
First Online: 4 March 2021
Ethics approval and consent to participate
: All the human samples and animals were approved by the Ethics Board of Capital Institute of Pediatrics. All the human fetal tissues were collected with written consent forms their parents. The committee’s reference number for animal is DWLL2018005. For all human fetal information, consent for publication was obtained from their parents.
: The authors declare that they have no conflict of interest.