Funding for this research was provided by:
Linnéa och Josef Carlssons Stiftelse
Stiftelsen för Bistånd åt Rörelsehindrade i Skåne
Received: 27 April 2020
Accepted: 6 July 2020
First Online: 14 July 2020
Ethics approval and consent to participate
: The study was approved by the Ethics Board at Lund University (LU 443–99). All families had given verbal consent to the use of the data for research before their inclusion in the CPUP register. Permission to extract data from the CPUP register was obtained.
: Not applicable.
: The author declares that he has no competing interests.