Funding for this research was provided by:
Received: 23 April 2020
Accepted: 24 August 2020
First Online: 1 September 2020
Ethics approval and consent to participate
: Ethical approval was granted by The Stockholm regional ethical review board (2017/2409–31/1). All participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.This project was co-produced with the companies in order to incorporate their views and input on the study design and data collection. All final decisions were made by the research team. The companies did not have any role in analysing or interpreting the data, writing of the report, nor deciding to submit the paper for publication.