About the Authors

Francisco Gómez Real

francisco.real@uib.no

Affiliations Department of Clinical Science, University of Bergen, Bergen, Norway, Department of Gynecology and Obstetrics, Haukeland University Hospital, Bergen, Norway

Laura Pérez Barrionuevo

Affiliation Department of Clinical Science, University of Bergen, Bergen, Norway

Karl Franklin

Affiliation Department of Surgical and Perioperative Sciences, Umeå University, Umeå, Sweden

Eva Lindberg

Affiliation Department of Medical Sciences, Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden

Randi Jacobsen Bertelsen

Affiliations Department of Clinical Science, University of Bergen, Bergen, Norway, Department of Occupational Medicine, Haukeland University Hospital, Bergen, Norway

Bryndís Benediktsdóttir

Affiliation University of Iceland, Faculty of Medicine, Reykjavik, Iceland

Bertil Forsberg

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

Thorarinn Gislason

Affiliation University of Iceland, Faculty of Medicine, Reykjavik, Iceland

Rain Jögi

Affiliation Lung Clinic, Tartu University Clinics, Tartu, Estonia

Ane Johannessen

Affiliations Department of Clinical Science, University of Bergen, Bergen, Norway, Centre for Clinical Research, Haukeland University Hospital, Bergen, Norway

Ernst Omenaas

Affiliation Centre for Clinical Research, Haukeland University Hospital, Bergen, Norway

Eirunn Saure

Affiliation Department of Clinical Science, University of Bergen, Bergen, Norway

Vivi Schlünssen

Affiliation Department of Public Health, Section for Environment, Occupation and Health, Aarhus University, Aarhus, Denmark

Trude Duelien Skorge

Affiliation Department of Clinical Science, University of Bergen, Bergen, Norway

Kjell Torén

Affiliation Department of Occupational and Environmental Medicine, Sahlgrenska University Hospital, Gothenburg, Sweden

Antonio Pérez Saavedra

Affiliation Clinica Dental Pérez Saveedra, Málaga, Spain

Øistein Svanes

Affiliations Department of Clinical Science, University of Bergen, Bergen, Norway, Department of Occupational Medicine, Haukeland University Hospital, Bergen, Norway

Anne Nordrehaug Åstrøm

Affiliation Department of Clinical Dentistry, University of Bergen, Bergen Norway

Christer Janson

Contributed equally to this work with: Christer Janson, Cecilie Svanes

Affiliation Department of Medical Sciences, Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden

Cecilie Svanes

Contributed equally to this work with: Christer Janson, Cecilie Svanes

Affiliations Department of Clinical Science, University of Bergen, Bergen, Norway, Department of Occupational Medicine, Haukeland University Hospital, Bergen, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: FGR LPB KF EL APS ANÅ CJ CS. Performed the experiments: FGR KF EL RJB BB BF TG RJ AJ EO ES VS TDS KT CJ CS. Analyzed the data: FGR LPB ØS CS. Wrote the paper: FGR LPB ANÅ CS.