About the Authors

Mohammadhossein Hajiebrahimi

Mohammadhossein.Hajiebrahimi@ki.se

Affiliations Clinical Epidemiology Unit, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden, Department of Public Health, Health Faculty, Golestan University of Medical Sciences, Gorgan, Iran

Scott Montgomery

Affiliations Clinical Epidemiology Unit, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden, Clinical Epidemiology and Biostatistics, School of Medical Sciences, Örebro University, Örebro, Sweden, Department of Epidemiology and Public Health, University College London, London, United Kingdom

Sarah Burkill

Affiliation Center for Pharmacoepidemiology & Clinical Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden

Shahram Bahmanyar

Affiliations Center for Pharmacoepidemiology & Clinical Epidemiology Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden, Department of Public Health, Health Faculty, Golestan University of Medical Sciences, Gorgan, Iran

Competing Interests

Receiving this funding from a commercial source does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: S. Bahmanyar SM. Data curation: S. Burkill MHH. Formal analysis: MHH. Funding acquisition: SM. Methodology: S. Bahmanyar SM MHH. Project administration: S. Bahmanyar SM. Resources: S. Bahmanyar SM. Supervision: S. Bahmanyar SM. Writing – original draft: MHH. Writing – review & editing: S. Bahmanyar SM S. Burkill.