About the Authors

Simon Schwill

Contributed equally to this work with: Simon Schwill, Jan Hundertmark

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

Affiliation Department of General Practice and Health Services Research, University Hospital Heidelberg, Heidelberg, Germany

Jan Hundertmark

Contributed equally to this work with: Simon Schwill, Jan Hundertmark

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

jan.hundertmark@med.uni-heidelberg.de

Affiliation Department of General Practice and Health Services Research, University Hospital Heidelberg, Heidelberg, Germany

Johanna Fahrbach-Veeser

Roles Formal analysis, Writing – original draft, Writing – review & editing

Affiliation Department of General Practice and Health Services Research, University Hospital Heidelberg, Heidelberg, Germany

Christiane Eicher

Roles Data curation, Formal analysis

Affiliation Department of General Practice and Health Services Research, University Hospital Heidelberg, Heidelberg, Germany

Pencho Tonchev

Roles Formal analysis, Writing – review & editing

Affiliation Department of Surgery, University Hospital Pleven, Pleven, Bulgaria

Sonia Kurczyk

Roles Data curation, Formal analysis, Writing – review & editing

Affiliation Department of General Practice and Health Services Research, University Hospital Heidelberg, Heidelberg, Germany

Joachim Szecsenyi

Roles Writing – review & editing

Affiliation Department of General Practice and Health Services Research, University Hospital Heidelberg, Heidelberg, Germany

Svetla Loukanova

Roles Conceptualization, Formal analysis, Funding acquisition, Project administration, Writing – original draft, Writing – review & editing

Affiliation Department of General Practice and Health Services Research, University Hospital Heidelberg, Heidelberg, Germany

Competing Interests

The authors of this study have read the journal's policy and have the following competing interests: All authors are involved in the AaLplus program. There are no patents, products in development or marketed products associated with this research to declare. This does not alter our adherence to PLOS ONE policies on sharing data and materials.