Zhang, Yu-Tong http://orcid.org/0000-0002-6259-7880
Zhong, Xiao-dan
Gao, Yan-li
Chang, Jian http://orcid.org/0000-0002-3442-6881
Article History
Received: 2 June 2021
Accepted: 18 November 2021
First Online: 6 December 2021
Declarations
:
: Approved by the Ethical Institution of the first hospital of Jilin university. Because of its retrospective manner, informed consent was waived by the Ethical Institution of the first hospital of Jilin university. This is a retrospective study, informed consent was waived by the Ethical Institution of the first hospital of Jilin university. However, when we performed the IL-2 injection, we obtained written informed consent from patients’ parents or legal guardians before starting the therapy. Informed consent was obtained by each patients or their parents.
: Not applicable.
: The authors indicated no potential conflicts of interest.