About the Authors

Ole Norgaard

Affiliations National Centre for Health Promotion and Disease Prevention, National Board of Health, Copenhagen, Denmark, World Health Organization Regional Office for Europe, Copenhagen, Denmark

Jeffrey V. Lazarus

JeffLaz@pubhealth.ku.dk

Affiliations World Health Organization Regional Office for Europe, Copenhagen, Denmark, Copenhagen School of Global Health, Copenhagen University, Copenhagen, Denmark

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ON JVL. Analyzed the data: ON JVL. Wrote the paper: ON JVL. Performed the searches (not really experiments): ON.