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Article History

Received: 19 October 2020

Accepted: 30 March 2021

First Online: 14 April 2021

Declarations

:

: The study was performed as a quality development project within Centre for Rare Diseases, Department of Paediatrics and Adolescent Medicine. In accordance with the ethics committee in Denmark, no patient consent was needed for this retrospective, descriptive study.

: Not applicable. See above.

: None.