Funding for this research was provided by:
Barncancerfonden (TJ2017-0011, TJ2016-0036)
Barncancerfonden (PR2017-0123)
Article History
Received: 27 August 2019
Accepted: 6 January 2020
First Online: 13 January 2020
Ethics approval and consent to participate
: The Regional Ethical Review Board in Stockholm decided that the legislation concerning ethical review was not applicable, and had no objections to the study design, including the way consent was obtained (D-no: 2015/1782–31/5). A returned survey was considered to constitute the participant’s demonstrated consent.
: Not applicable.
: The authors declare that they have no competing interests.