Funding for this research was provided by:
Received: 2 June 2021
Accepted: 1 July 2021
First Online: 15 July 2021
: This work is part of a project that has been reviewed and approved by the institutional review board from Centro Hospitalar Universitário do Porto.
: Permission for the publication of this article and associated video was obtained from the patient and his parents, via written informed consent, in compliance with laws regarding patient authorization relating to the use or disclosure of protected health information.
: Joana Damásio has received a research grant from Centro Hospitalar Universitário do Porto and has received a speaking fee from Zambon. Ana Sardoeira, Maria Araújo, Isabel Carvalho, Jorge Sequeiros and José Barros have nothing to disclosure.