About the Authors

Marc N. Jarczok

Affiliation Mannheim Institute of Public Health, Social and Preventive Medicine, Mannheim Medical Faculty, Heidelberg University, Mannheim, Germany

Marcus E. Kleber

Affiliation Mannheim Institute of Public Health, Social and Preventive Medicine, Mannheim Medical Faculty, Heidelberg University, Mannheim, Germany

Julian Koenig

Koenig.393@osu.edu

Affiliation The Ohio State University, Department of Psychology, Columbus, Ohio, United States of America

Adrian Loerbroks

Affiliation Institute of Occupational and Social Medicine, Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany

Raphael M. Herr

Affiliations Department of Clinical Psychology, University of Amsterdam, Amsterdam, The Netherlands, Mannheim Institute of Public Health, Social and Preventive Medicine, Mannheim Medical Faculty, Heidelberg University, Mannheim, Germany

Kristina Hoffmann

Affiliation Mannheim Institute of Public Health, Social and Preventive Medicine, Mannheim Medical Faculty, Heidelberg University, Mannheim, Germany

Joachim E. Fischer

Affiliation Mannheim Institute of Public Health, Social and Preventive Medicine, Mannheim Medical Faculty, Heidelberg University, Mannheim, Germany

Yael Benyamini

Affiliation Bob Shapell School of Social Work, Tel Aviv University, Tel Aviv, Israel

Julian F. Thayer

Affiliations The Ohio State University, Department of Psychology, Columbus, Ohio, United States of America, Mannheim Institute of Public Health, Social and Preventive Medicine, Mannheim Medical Faculty, Heidelberg University, Mannheim, Germany

Competing Interests

JEF was the major shareholder of HealthVision Ltd. until Dec. 2012, which organized the data collection. Since January 1st 2013 he now serves as a scientific consultant to Health Vision Ltd. All other authors declare no conflict of interest. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MNJ MEK AL RMH KH JEF. Performed the experiments: MNJ MEK AL RMH KH. Analyzed the data: MNJ JK YB JFT. Contributed reagents/materials/analysis tools: MNJ JEF JFT. Wrote the paper: MNJ MEK AL RMH KH JEF JK YB JFT.