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Article History

Received: 23 October 2020

Accepted: 30 October 2020

First Online: 22 November 2020

Compliance with ethical standards

:

: The authors declare no conflicts of interest.

: The case report was performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.

: The patient and her parents provided informed written consent to publish clinical data and videos.

: The datasets used or analysed during the current study are available from the corresponding author on reasonable request.