About the Authors

Carline van den Dool

To whom correspondence should be addressed. E-mail: c.vandendool@umcutrecht.nl

Affiliation Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands

Marc J. M Bonten

Affiliations Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands , Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands

Eelko Hak

Affiliation Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands

Janneke C. M Heijne

Affiliation Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands

Jacco Wallinga

Affiliations Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands , Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

CvdD, MJMB, EH, and JW designed the study. CvdD, JCMH, and JW collected and analyzed the data. CvdD, MJMB, EH, JCMH, and JW contributed to writing the paper.