About the Authors

Linda P. M. M. Wijlaars


Affiliation Department of Primary Care and Population Health, University College London, London, United Kingdom

Irwin Nazareth
Irene Petersen

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LPW IN IP. Analyzed the data: LPW. Wrote the paper: LPW IN IP.