About the Authors

Giedre Gefenaite

g.gefenaite@umcg.nl

Affiliations Department of Pharmacy, Unit of PharmacoEpidemiology & PharmacoEconomics (PE2), University of Groningen, Groningen, The Netherlands, Department of Epidemiology, University Medical Centre Groningen, University of Groningen, The Netherlands

Margot Tacken

Affiliation Scientific Institute for Quality of Healthcare (IQ healthcare), Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands

Jens Bos

Affiliation Department of Pharmacy, Unit of PharmacoEpidemiology & PharmacoEconomics (PE2), University of Groningen, Groningen, The Netherlands

Irina Stirbu-Wagner

Affiliation NIVEL, Netherlands Institute for Health Services Research, Utrecht, The Netherlands

Joke C. Korevaar

Affiliation NIVEL, Netherlands Institute for Health Services Research, Utrecht, The Netherlands

Ronald P. Stolk

Affiliation Department of Epidemiology, University Medical Centre Groningen, University of Groningen, The Netherlands

Bert Wolters

Affiliation Community Health Services, Groningen, The Netherlands

Marc Bijl

Affiliation Department of Internal Medicine and Rheumatology, Martini Hospital, Groningen, The Netherlands

Maarten J. Postma

Affiliations Department of Pharmacy, Unit of PharmacoEpidemiology & PharmacoEconomics (PE2), University of Groningen, Groningen, The Netherlands, Department of Epidemiology, University Medical Centre Groningen, University of Groningen, The Netherlands

Jan Wilschut

Affiliation Department of Medical Microbiology, Molecular Virology Section, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands

Kristin L. Nichol

Affiliations Research Service, Veterans Affairs Medical Centre, Minneapolis, Minnesota, United States of America, Department of Medicine, University of Minnesota, Minneapolis, Minnesota, United States of America

Eelko Hak

Affiliations Department of Pharmacy, Unit of PharmacoEpidemiology & PharmacoEconomics (PE2), University of Groningen, Groningen, The Netherlands, Department of Epidemiology, University Medical Centre Groningen, University of Groningen, The Netherlands

Competing Interests

Kristin Nichol has served as a consultant to or on medical advisory boards for vaccine manufacturers in the past (or may in the future). Marc Bijl received research grants from Novartis and Sanofi, inclusive those interested in the subject of the manuscript; however, no financial support for contribution to this study was received. Joke Korevaar received a research grant from AstraZeneca, which was not related to the subject of this manuscript. Maarten J. Postma received research grants, honoraria and travel stipends from GSK Zeist NL, Amgen, GSK Bio Brussels, Shire, Pfizer, SPMSD NL, SPMSD Brussels, MSD, Sanofi, Novartis, Novo Nordisk, Jansen, Roche, Preglem, Boehringer Ingelheim, Viiv, Astra Zeneca, inclusive those interested in the subject of the manuscript; however, no financial support for the contribution to this study was received. Jan Wilschut received research grants, honoraria and travel stipends from GlaxoSmithKline (Zeist, Netherlands), SPMSD (Lyon, France), Crucell (Leiden, Netherlands), Solvay Biologicals (Weesp, Netherlands), Roche (Woerden, Netherlands), Mymetics (Leiden, Netherlands), Mucosis (Groningen, Netherlands), GlaxoSmithKline (Rixensart, Belgium), inclusive those interested in the subject of the manuscript; however, no financial support for contribution to this study was received. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials. Other authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: GG EH RPS. Contributed reagents/materials/analysis tools: GG EH RPS BW MB MJP JW MT JB ISW JCK KLN. Wrote the paper: GG. Study concept and design: GG EH RPS BW MB MJP JW MT JB ISW JK KLN. Critical revision of the manuscript for important intellectual content: MT JB ISW JCK RPS BW MB MJP JW KLN EH.