About the Authors

Claudia Stein

steinc@who.int

Affiliation World Health Organization, Geneva, Switzerland

Tanja Kuchenmüller

Affiliation World Health Organization, Geneva, Switzerland

Saskia Hendrickx

Affiliation World Health Organization, Geneva, Switzerland

Annette Prüss-Űstün

Affiliation World Health Organization, Geneva, Switzerland

Lara Wolfson

Affiliation World Health Organization, Geneva, Switzerland

Dirk Engels

Affiliation World Health Organization, Geneva, Switzerland

Jørgen Schlundt

Affiliation World Health Organization, Geneva, Switzerland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CS TK. Analyzed the data: SH CS TK. Wrote the paper: DE SH CS TK LW JS AP. Other: Performed the review CS.