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Article History

Received: 20 September 2022

Accepted: 11 January 2023

First Online: 23 March 2023

Declarations

:

: All methods were performed in accordance with the ethical standards as laid down in the Declaration of Helsinki and its later amendments or comparable ethical standards. The approval by ethics committee was not applicable because the data retrospectively collected were all the items needed by the follow-up of these patients and by a good clinical practice for children with MIS-C. No experimental drugs were employed, and no blood samples, other than all required in consideration of the standards of care, were done. Written informed consent was obtained from a parent and/or legal guardian. The parents wrote the informed consent on ethics approval and consent. The written consent is in the documents in the hospital “G. Di Cristina”, ARNAS Palermo, Italy. The consent was collected in the clinical documents. The approval by the ethics committee was not required for the type of work; it was a collection and analysis of laboratory, clinical, instrumental evaluations required for a good clinical practice.

: Not applicable. Consent was required to the patients’ parents.

: All the authors declare no conflicts of interest.