Funding for this research was provided by:
Medical Research Council of Southeast Sweden (LIO-126821)
Swedish Council for Working Life and Social Research (2006-1621)
County Council in Östergötland (FORSS-147851)
Konung Gustaf V:s och Drottning Victorias Frimurarestiftelse (104821)
Swedish Society of Medicine (2008-21732)
Article History
Received: 11 February 2019
Accepted: 11 July 2019
First Online: 25 July 2019
Ethics approval and consent to participate
: The regional board of ethics (“Regionala etikprövningsnämnden i Linköping, Avdelningen för prövning av. övrig forskning”) approved the study (Dnr:144–06 (2007-02-09), Dnr:144:06 T100 (2007-12-11); Dnr 2010/278–31 (2010-12-14). The participants completed a consent form at the beginning of the study and then provided verbal consent during the interview step of the study.
: Not applicable.
: The authors declare that they have no competing interests.