About the Authors

Kim Zomer-Kooijker

Affiliation Department of Paediatric Pulmonology and Allergology, Wilhelmina Children’s Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands

Cornelis K. van der Ent

Affiliation Department of Paediatric Pulmonology and Allergology, Wilhelmina Children’s Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands

Marieke J. J. Ermers

Affiliation Department of Psychiatry, University Medical Centre Utrecht, Utrecht, The Netherlands

Cuno S. P. M. Uiterwaal

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

Maroeska M. Rovers

Affiliation Department of Epidemiology, Biostatistics & HTA and operating rooms, Radboud University Medical Centre Nijmegen, Nijmegen, The Netherlands

Louis J. Bont

l.bont@umcutrecht.nl

Affiliation Department of Paediatric Immunology and Infectious Diseases, Wilhelmina Children’s Hospital, University Medical Centre Utrecht, Utrecht, The Netherlands

on behalf of the RSV Corticosteroid Study Group

Membership of the Respiratory Syncytial Virus Corticosteroid Study Group is provided in the Acknowledgments.

Competing Interests

LB received a grant for this study from Teva Pharmaceutical industries inc., and from the Dutch Asthma Foundation. MR received an educational grant from Abbott, to provide financial support without restrictions. This does not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CKE CSPMU LJB. Performed the experiments: KZK MJJE. Analyzed the data: KZK CU MMR. Contributed reagents/materials/analysis tools: MMR. Wrote the paper: KZK CKE CSPMU LJB.