Värendh, Maria http://orcid.org/0000-0001-8421-4804
Janson, Christer
Bengtsson, Caroline
Hellgren, Johan
Holm, Mathias
Schlünssen, Vivi
Johannessen, Ane
Franklin, Karl
Storaas, Torgeir
Jõgi, Rain
Gislason, Thorarinn
Lindberg, Eva
Funding for this research was provided by:
Hjärt-Lungfonden
Swedish aAssociation Against Asthma and Allergy
The Swedish Council for Working Life and Social Research
Bror Hjerpstedt Foundation
The Faculty of Health Aarhus University
The Wood dust Foundation (444508795)
The Danish Lund association
Norges Forskningsråd (135773/330)
The Norwegian Asthma and Allergy Association
The Icelandic Research Council
Estonian Science Foundation (4350)
Article History
Received: 30 September 2020
Revised: 26 November 2020
Accepted: 29 December 2020
First Online: 19 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All participants completed written informed consent at baseline and at follow-up. The local ethical committees at all sites of the study have approved the project.