Significant exercise limitations after recovery from MIS-C related myocarditis.

"Declarations Conflict of interestsNo financial or non-financial benefits have benefits have been received or will be received from any party related directly or indirectly to the subject of this article. None of the authors was or is a member of the editorial board of the World Journal of Pediatrics journal. Ethical approvalThe study was approved by the Institutional Review Board of Rambam Health Care Campus (application number RMB-0760-20) and the Institutional Review Board of Padeh medical centre (0075-21-POR). ClinicalTrials.gov Identifier: NCT05205642. Conflict of interests No financial or non-financial benefits have benefits have been received or will be received from any party related directly or indirectly to the subject of this article. None of the authors was or is a member of the editorial board of the World Journal of Pediatrics journal."

"Funding The study had no outside funding sources."

"This multicenter retrospective case‒control study assessed exercise limitations in patients recovering from MIS-C myocarditis in two pediatric medical centers: Padeh Medical Center (Poriya) and Rambam Health Care Campus (Haifa). The study was approved by the Institutional Review Board of Rambam Health Care Campus (application number RMB-0760-20) and the Institutional Review Board of Padeh Medical Centre (0075-21-POR). This study has been registered in ClinicalTrials.gov  with an identifier number NCT05205642."