Pan, Qingqing
Luo, Yaping http://orcid.org/0000-0002-5787-1136
Zhang, Yan
Chang, Long
Li, Ji
Cao, Xinxin
Li, Jian
Li, Fang
Funding for this research was provided by:
the National Natural Science Foundation of China (81701741)
Article History
Received: 9 June 2020
Accepted: 28 July 2020
First Online: 5 August 2020
Ethics approval and consent to participate
: We performed this study in compliance with the 1964 Helsinki Declaration and its later amendments and federal laws in China. The study was approved by the institutional review board of PUMCH (IRB protocol #ZS-1113) and registered at ExternalRef removed (NCT 03436342). All patients signed written informed consent for participation in this study, and written informed consent of legal representative of the patients under 18 years old was also obtained.
: All patients signed written informed consent for the use of their data in this article.
: The authors declare that they have no competing interests.