Cai, Siyi
Li, Zhengyao
Qiu, Guixing
Shen, Jianxiong
Zhao, Hong
Zhao, Yu
Wang, Yipeng
Zhang, Jianguo http://orcid.org/0000-0001-9773-530X
Funding for this research was provided by:
Natural Science Foundation of Beijing Municipality (7174337)
Article History
Received: 21 August 2019
Accepted: 3 February 2020
First Online: 10 February 2020
Ethics approval and consent to participate
: This study was approved by the Peking Union Medical College Hospital Ethics Committee (JS-1596), the signed consent form from each patient/parents/legal guardians was obtained. And written informed consent was obtained from the patient/parents/legal guardians for publication of any accompanying images and videos.
: The authors declare that there is no conflict of interest regarding the publication of this article, and all the authors and the institution are consented to publish.
: The authors declare that there is no conflict of interest regarding the publication of this article,