About the Authors

Kathrin Zürcher

Affiliation Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland

Marie Ballif

Affiliations Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland, Swiss Tropical and Public Health Institute, Basel, Switzerland, University of Basel, Basel, Switzerland

Marcel Zwahlen

Affiliation Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland

Hans L. Rieder

Affiliation Epidemiology, Biostatistics and Prevention Institute, University of Zürich, Zürich, Switzerland

Matthias Egger

Affiliation Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland

Lukas Fenner

lukas.fenner@ispm.unibe.ch

Affiliations Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland, Swiss Tropical and Public Health Institute, Basel, Switzerland, University of Basel, Basel, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KZ ME LF. Analyzed the data: KZ MB MZ. Contributed reagents/materials/analysis tools: KZ MB MZ HLR ME LF. Wrote the paper: KZ MB MZ HLR ME LF.