About the Authors

Jacco Wallinga, Janneke C. M Heijne, Mirjam Kretzschmar
Centre for Infectious Disease Epidemiology, National Institute for Public Health and the Environment, Bilthoven, the Netherlands

Corresponding Author


Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

JW designed the study. JW and JCMH collected and analyzed the data. JW, JCMH, and MK contributed to writing the paper.