About the Authors

Klaus Lieb

klaus.lieb@unimedizin-mainz.de

Affiliation Department of Psychiatry and Psychotherapy, University Medical Centre Mainz, Mainz, Germany

Armin Scheurich

Affiliation Department of Psychiatry and Psychotherapy, University Medical Centre Mainz, Mainz, Germany

Competing Interests

Klaus Lieb is member of the “no free lunch” organization MEZIS e.V. in Germany. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: KL AS. Performed the experiments: KL AS. Analyzed the data: KL AS. Contributed reagents/materials/analysis tools: AS. Wrote the paper: KL AS.