About the Authors

Anders Bjerg

anders.bjerg@lung.umu.se

Affiliations The OLIN Studies, Department of Medicine, Sunderby Central Hospital of Norrbotten, Luleå, Sweden, Department of Respiratory Medicine and Allergy, University of Umeå, Umeå, Sweden

Linda Ekerljung

Affiliation Department of Internal Medicine, Krefting Research Centre, University of Gothenburg, Göteborg, Sweden

Roelinde Middelveld

Affiliation Centre for Allergy Research and Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden

Sven-Erik Dahlén

Affiliation Centre for Allergy Research and Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden

Bertil Forsberg

Affiliation Environmental and Occupational Medicine, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden

Karl Franklin

Affiliations Department of Respiratory Medicine and Allergy, University of Umeå, Umeå, Sweden, Department of Surgery, University of Umeå, Umeå, Sweden

Kjell Larsson

Affiliation Lung and Allergy Research, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden

Jan Lötvall

Affiliation Department of Internal Medicine, Krefting Research Centre, University of Gothenburg, Göteborg, Sweden

Inga Sif Ólafsdóttir

Affiliation Occupational and Environmental Medicine, Sahlgrenska School of Public Health, University of Gothenburg, Göteborg, Sweden

Kjell Torén

Affiliations Occupational and Environmental Medicine, Sahlgrenska School of Public Health, University of Gothenburg, Göteborg, Sweden, Department of Respiratory Medicine and Allergology, Sahlgrenska University Hospital, Göteborg, Sweden

Bo Lundbäck

Affiliation Department of Internal Medicine, Krefting Research Centre, University of Gothenburg, Göteborg, Sweden

Christer Janson

Affiliation Department of Medical Sciences, Respiratory Medicine and Allergology, Uppsala University, Uppsala, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: AB CJ. Wrote the paper: AB. Coordinated the study: RM CJ. Designed the study: LE RM S-ED BF KF KL BL JL KT CJ. Data collection: LE ISO BF RM. Analysis design, interpretation, text review: AB LE RM SD BF KF KL JL ISÓ KT BL CJ.