Funding for this research was provided by:
Received: 21 February 2020
Accepted: 17 March 2020
First Online: 30 March 2020
Ethics approval and consent to participate
: The study is approved by the Swedish Ethical Review Authority (Reg. No. 2019–02662). All participants in the effectiveness evaluation need to give their informed consent before they answer the questionnaire. All participants in the process evaluation (interviews and observation) will be asked to sign an informed consent form when they begin their participation in the study. Only research group participants will obtain informed consents.
: Not applicable.
: Anna Nyberg is an Associate Editor for BMC Public Health. The authors declare that they have no competing interests.