About the Authors

Christian L. Althaus

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

Nicola Low

nicola.low@ispm.unibe.ch

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

ORCID http://orcid.org/0000-0003-4817-8986

Competing Interests

NL receives a stipend as a specialty consulting editor for PLOS Medicine and serves on the journal's editorial board. CA declares no competing interests.

Author Contributions

Conceptualization: CLA NL. Methodology: CLA NL. Resources: CLA NL. Validation: CLA NL. Writing – original draft: CLA NL. Writing – review & editing: CLA NL.