About the Authors

Anne Louise Bischoff

Affiliation Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Health Sciences, University of Copenhagen, Copenhagen University Hospital, Gentofte, Denmark

Nilofar Vahman Følsgaard

Affiliation Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Health Sciences, University of Copenhagen, Copenhagen University Hospital, Gentofte, Denmark

Charlotte Giwercman Carson

Affiliation Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Health Sciences, University of Copenhagen, Copenhagen University Hospital, Gentofte, Denmark

Jakob Stokholm

Affiliation Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Health Sciences, University of Copenhagen, Copenhagen University Hospital, Gentofte, Denmark

Louise Pedersen

Affiliation Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Health Sciences, University of Copenhagen, Copenhagen University Hospital, Gentofte, Denmark

Maria Holmberg

Affiliation Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Health Sciences, University of Copenhagen, Copenhagen University Hospital, Gentofte, Denmark

Amalie Bisgaard

Affiliation Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Health Sciences, University of Copenhagen, Copenhagen University Hospital, Gentofte, Denmark

Sune Birch

Affiliation Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Health Sciences, University of Copenhagen, Copenhagen University Hospital, Gentofte, Denmark

Theodore F. Tsai

Affiliation Novartis Vaccines, Cambridge, Massachusetts, United States of America

Hans Bisgaard

bisgaard@copsac.com

Affiliation Copenhagen Prospective Studies on Asthma in Childhood (COPSAC), Health Sciences, University of Copenhagen, Copenhagen University Hospital, Gentofte, Denmark

Competing Interests

TFT is employed by Novartis Vaccines. The nested vaccine study is funded by Novartis Vaccines and Diagnostics GmbH, Marburg, Germany, who provided vaccines and funding as an unrestricted institutional grant. The main Copenhagen Prospective Study on Asthma in Childhood birth cohort study is funded by private and public research funds (see www.copsac.com). There are no further patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.

Author Contributions

Conceived and designed the experiments: HB ALB NVF. Performed the experiments: ALB NVF CGC LP JS MH AB. Analyzed the data: ALB SB. Contributed reagents/materials/analysis tools: HB TFT. Wrote the paper: ALB NVF CGC LP JS MH AB SB TFT HB.