Received: 18 June 2020
Accepted: 22 October 2020
First Online: 17 November 2020
Ethics approval and consent to participate
: Ethical approval is not applicable. The consent to participate is available, The documentary evidence of consent can be supplied at any time if requested.
: Written informed consents were obtained from the parents of the patient for publication of the technical notes and images.
: The authors declare that they have no competing interests.