About the Authors

Erik Andersson

Roles Data curation, Formal analysis, Investigation, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden

Daniel Bergemalm

Roles Conceptualization, Data curation, Investigation, Project administration, Resources, Validation, Visualization, Writing – review & editing

Affiliation Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden

Robert Kruse

Roles Writing – review & editing

Affiliation School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden

Gunter Neumann

Roles Software, Writing – review & editing

Affiliation School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden

Mauro D’Amato

Roles Supervision, Writing – review & editing

Affiliations Clinical Epidemiology Unit, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden, BioDonostia Health Research Institute, San Sebastian, Spain, IKERBASQUE Basque Foundation for Science, Bilbao, Spain

Dirk Repsilber

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Resources, Supervision, Writing – review & editing

Affiliation School of Medical Sciences, Faculty of Medicine and Health, Örebro University, Örebro, Sweden

Jonas Halfvarson

Roles Conceptualization, Data curation, Funding acquisition, Investigation, Project administration, Resources, Supervision, Writing – original draft, Writing – review & editing

jonas.halfvarson@regionorebrolan.se

Affiliation Department of Gastroenterology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden

Competing Interests

JH has received research grants from the Swedish Research Council, the Örebro University Hospital Research Foundation, the Swedish Foundation for Strategic Research, and speaker's and/or consultancy fees from Abbvie, Cellgene, Hospira, Janssen, Medivir, MSD, Pfizer, Vifor Pharma, Takeda and Tillotts Pharma. DB has received grants from Bengt Ihre research foundation and grants from Region Örebro county, during the conduct of the study. EA, RK, GN, DR, MD have no personal conflicts of interests to declare. This does not alter our adherence to PLOS ONE policies on sharing data and materials.