Funding for this research was provided by:
Received: 10 June 2021
Accepted: 2 November 2021
First Online: 12 November 2021
: The participants included in the cognitive interviews were given oral information about the study and their ability to withdraw at any time without giving any reason. They were also assured of confidentiality in the reporting of the result. Then informed consent from the participants was obtained. All methods were performed in accordance with relevant guidelines and regulations of WHO (2020) [CitationRef removed]. The Swedish Regional Ethical Board approved the overall Ethics com study (Ref nr 2020-04120).
: Not applicable.
: The authors declare that there is no competing interest.