About the Authors

Nino Künzli

Nino.Kuenzli@unibas.ch

Affiliations Swiss Tropical and Public Health Institute (Swiss TPH), Basel, Switzerland, University of Basel, Basel, Switzerland

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Wrote the first draft of the manuscript: NK. ICMJE criteria for authorship read and met: NK. Agree with manuscript results and conclusions: NK.