Received: 28 June 2018
Accepted: 17 May 2019
First Online: 3 June 2019
Ethics approval and consent to participate
: Before publication of the data we asked the Regional Committee for Medical and Health Research Ethics, Western-Norway whether asking the national coordinators their experiences and using these data for a scientific publications needed ethical approval. The Regional Committee for Medical and Health Research Ethics, Western-Norway exempted sending out the questionnaire and using the information for a scientific publications from ethical review (30.08.2017).
: Not applicable.
: The authors do not have competing interests concerning this study.