About the Authors

Anna Levinsson

anna.levinsson@amm.gu.se

Affiliation Occupational and Environmental Medicine, Department of Public Health & Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Anna-Carin Olin

Affiliation Occupational and Environmental Medicine, Department of Public Health & Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Lars Modig

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

Santosh Dahgam

Affiliation Occupational and Environmental Medicine, Department of Public Health & Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Lena Björck

Affiliation Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Annika Rosengren

Affiliation Department of Molecular and Clinical Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Fredrik Nyberg

Affiliations Occupational and Environmental Medicine, Department of Public Health & Community Medicine, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden, AstraZeneca R&D, Mölndal, Sweden

Competing Interests

One of the authors, Fredrik Nyberg, is employed by AstraZeneca which contributed funding to the original data collection in this study population. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: ACO FN. Performed the experiments: AL. Analyzed the data: AL FN. Contributed reagents/materials/analysis tools: LB ACO AR FN LM AL. Wrote the paper: AL FN LB AR ACO LM. Critical revision of manuscript: SD.