Leopard syndrome: the potential cardiac defect underlying skin phenotypes.

"Declarations Ethics approval and consent to participateEthics Committee approval was obtained from the Institutional Ethics Committee of The Children’s Hospital, Zhejiang University School of Medicine, National Clinical Research Center for Child Health to the commencement of the study. Written informed consent to participate was obtained. Consent for publicationWritten informed consent for publication was obtained. Competing interestsThe authors declare there is no conflicts of interest regarding the publication of this paper. The authors declare that they have no competing interests. Competing interests The authors declare there is no conflicts of interest regarding the publication of this paper. The authors declare that they have no competing interests."

"Funding This study has received funding by Zhejiang Province Health Innovative Talents Project (2021KY762), National Natural Sience Foundation of China (NSFC81501295)."