Received: 4 August 2020
Accepted: 29 September 2020
First Online: 20 October 2020
Ethics approval and consent to participate
: The study is approved by the Danish Data Protection Agency (1–16–02-147-20) registered 1st of April 2020. Oral and written information was given to parents and patients and written consent from patients over 15 years and parents were received.
: Not applicable.
: The authors declare that they have no competing interests.