Torenfält, Isabelle
Dimberg, Lennart http://orcid.org/0000-0002-8241-0032
Funding for this research was provided by:
Volvo Research and Educational Foundations (H92:37)
University of Gothenburg
Article History
Received: 16 February 2021
Accepted: 15 October 2021
First Online: 5 November 2021
Declarations
:
: The authors declare that they have no conflicts of interest.
: This study was performed in line with the principles of the Declaration of Helsinki. The Research Ethics Committee of Gothenburg University approved the original study protocol and the consent to participate form on 11 February 1993 (Dnr. 23-93). The Research Ethics Committee of Gothenburg University renewed their approval of an amended study protocol on 19 February 2019 (Dnr1212-18/2019-00316).
: This study builds on register data so the Ethics Committee waived specific consent.
: All participants of the baseline study in 1993 were informed that only aggregated data would be published and agreed upon publication.