Received: 2 July 2020
Accepted: 11 January 2021
First Online: 15 February 2021
Change Date: 14 September 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s13052-021-01135-z
Ethics approval and consent to participate
: Parental informed consent for publication was obtained.
: Written informed consent was obtained from the patient’s legal guardians for publication of this case report and any accompanying images.
: The authors declare that they have no competing interests.