About the Authors

Martin Härter

Contributed equally to this work with: Martin Härter, Jörg Dirmaier

m.haerter@uke.de

Affiliation Department of Medical Psychology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany

Jörg Dirmaier

Contributed equally to this work with: Martin Härter, Jörg Dirmaier

Affiliation Department of Medical Psychology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany

Sarah Dwinger

Affiliation Department of Medical Psychology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany

Levente Kriston

Affiliation Department of Medical Psychology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany

Lutz Herbarth

Affiliation Kaufmännische Krankenkasse—KKH, Hannover, Germany

Elisabeth Siegmund-Schultze

Affiliation Kaufmännische Krankenkasse—KKH, Hannover, Germany

Isaac Bermejo

Affiliation University Medical Centre Freiburg, Freiburg, Germany

Herbert Matschinger

Affiliation Department of Health Economics and Health Services Research, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany

Dirk Heider

‡ These authors also contributed equally to this work.

Affiliation Department of Health Economics and Health Services Research, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany

Hans-Helmut König

‡ These authors also contributed equally to this work.

Affiliation Department of Health Economics and Health Services Research, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany

Competing Interests

Two of the co-authors (LH, ESS) are employed by the KKH. The authors have declared that no competing interests exist. This does not alter our adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceptualization: MH IB JD SD LH ESS. Data curation: DH HM HHK LK. Formal analysis: HHK DH HM JD SD MH. Funding acquisition: MH HHK IB. Investigation: SD LH ESS. Methodology: MH JD HHK DH SD LH ESS LK HM IB. Project administration: JD LH ESS SD. Resources: LH ESS. Supervision: MH HHK JD IB. Visualization: DH SD JD. Writing – original draft: MH JD SD LK LH ESS IB MH DH HHK. Writing – review & editing: JD MH SD DH.