About the Authors

Andrea Siebenhofer

Roles Conceptualization, Data curation, Methodology, Supervision, Writing – original draft, Writing – review & editing

andrea.siebenhofer@medunigraz.at

Affiliations Institute of General Practice and Evidence-based Health Services Research, Medical University of Graz, Graz, Austria, Institute of General Practice, Goethe-University Frankfurt am Main, Frankfurt am Main, Germany

Lisa-Rebekka Ulrich

Roles Conceptualization, Data curation, Investigation, Methodology, Writing – review & editing

Affiliation Institute of General Practice, Goethe-University Frankfurt am Main, Frankfurt am Main, Germany

Karola Mergenthal

Roles Conceptualization, Data curation, Writing – review & editing

Affiliation Institute of General Practice, Goethe-University Frankfurt am Main, Frankfurt am Main, Germany

Andrea Berghold

Roles Conceptualization, Formal analysis, Supervision, Writing – review & editing

Affiliation Institute for Medical Informatics, Statistics and Documentation, Medical University of Graz, Graz, Austria

Gudrun Pregartner

Roles Formal analysis, Writing – review & editing

Affiliation Institute for Medical Informatics, Statistics and Documentation, Medical University of Graz, Graz, Austria

Birgit Kemperdick

Roles Data curation, Resources, Software

Affiliation Institute of General Practice, Goethe-University Frankfurt am Main, Frankfurt am Main, Germany

Sylvia Schulz-Rothe

Roles Data curation, Project administration, Resources

Affiliation Institute of General Practice, Goethe-University Frankfurt am Main, Frankfurt am Main, Germany

Sandra Rauck

Roles Data curation, Project administration, Resources

Affiliation Institute of General Practice, Goethe-University Frankfurt am Main, Frankfurt am Main, Germany

Sebastian Harder

Roles Conceptualization, Supervision, Writing – review & editing

Affiliation Institute of Clinical Pharmacology, Goethe-University Frankfurt am Main, Frankfurt am Main, Germany

Ferdinand Michael Gerlach

Roles Conceptualization, Supervision, Writing – review & editing

Affiliation Institute of General Practice, Goethe-University Frankfurt am Main, Frankfurt am Main, Germany

Juliana Johanna Petersen

Roles Conceptualization, Data curation, Methodology, Supervision, Writing – original draft, Writing – review & editing

Affiliation Institute of General Practice, Goethe-University Frankfurt am Main, Frankfurt am Main, Germany

Competing Interests

All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Juliana J. Petersen has been a co-investigator in the PANORA study (‘Prevalence of anti-cyclic citrullinated peptide (CCP) positivity in patients with new non-specific onset of musculoskeletal symptoms, possibly related to early rheumatoid arthritis in general practices in Germany’), which is being conducted by the Fraunhofer Institute and financed by Bristol‐Meyer Squibb. She is employed by the Institute of General Practice of Goethe-University Frankfurt and has never personally received financial remuneration from a pharmaceutical company. Karola Mergenthal is employed as project manager in the PANORA study. She has also never personally received financial remuneration from a pharmaceutical company. Andrea Siebenhofer received funding from the Federation of Austrian Social Insurance Institutions (HVB) for the preparation of a systematic review on self-management of oral anticoagulation in 2014 and was financed by ROCHE Diagnostics to carry out a study on self-management of oral anticoagulation from 2002-2005. Sebastian Harder has received honoraria for scientific lectures from Boehringer Ingelheim GmbH, Pfizer GmbH, Daiichi Sankyo GmbH, and Bayer AG. The other authors declare no competing interests. This does not alter our adherence to PLOS ONE policies on sharing data and materials.