About the Authors

Claudia Stein, Tanja Kuchenmüller, Saskia Hendrickx, Annette Prüss-Űstün, Lara Wolfson, Dirk Engels, Jørgen Schlundt
World Health Organization, Geneva, Switzerland

Corresponding Author


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.