Funding for this research was provided by:
Familjen Kamprads Stiftelse (20180191)
Skandia Foundation for Research within Risk and Health (Skandia Foundation for Research within Risk and Health)
Received: 6 July 2020
Accepted: 5 May 2021
First Online: 2 June 2021
: In information provided with the questionnaire,participants were informed of the rules for personal data processing containedin the EU General Data Protection Regulation (2016/679), in the Act (2001:99)and the Ordinance (2001:100) of the Official Statistics and Public Access toInformation and Secrecy Act (2009:400); that it was voluntary to participate inthe investigation; that responses were being pseudonymised; and that informedconsent was required and that by answering the questionnaire and returning itthey were providing said informed consent and agreed to their responses beingsupplemented with personal background information from national census datafrom Statistics Sweden.Ethical approval for the study was granted bythe Regional Ethics Review Board in Linköping (reg.no. 2018/135-31).
: Not applicable.
: The authors declare that they have no competing interest.