Funding for this research was provided by:
Received: 12 September 2018
Accepted: 16 April 2020
First Online: 3 June 2020
Ethics approval and consent to participate
: Ethical approval was granted by the Regional Ethical Review Board, Stockholm, Sweden (Dnr: 2017/2491–32; Dnr: 2018/245–32).Written informed consent was obtained from all study participants as well as their parents/guardians. In case of an adolescent from age 15 years, who was seeking care without a parent/guardian present, written informed consent was only obtained from the adolescent, which is according to Swedish law.
: Not applicable.
: The authors, MÅ and KB, are both members of the EuroQol Group. MÅ and KB are employed by Region Stockholm but no influence on the study design or interpretation of results occurred.The author SK declares that she has no competing interest. The author SR declares that she has no competing interest. The author NC declares that he has no competing interest. The author OR declares that he has no competing interest.