About the Authors
- Milla Mukka
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Roles Data curation, Formal analysis, Writing – original draft
* E-mail: milla.mukka@helsinki.fi
Affiliation University of Helsinki, Helsinki, Finland
- Samuli Pesälä
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Roles Formal analysis, Supervision, Writing – review & editing
Affiliation University of Helsinki, Helsinki, Finland
- Pekka Mustonen
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Roles Resources
Affiliation Duodecim Publishing Company Ltd, Helsinki, Finland
- Minna Kaila
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Roles Supervision
Affiliation Clinicum, University of Helsinki, Helsinki, Finland
- Otto Helve
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Roles Supervision
Affiliations Department of Health Security, Finnish Institute for Health and Welfare, Helsinki, Finland, Paediatrics Research Center, Children’s Hospital, Helsinki University Hospital and the University of Helsinki, Helsinki, Finland
Competing Interests
The authors have read the journal’s policy and have the following competing interests: MK has held various trustee positions in the Finnish Medical Society Duodecim since the late 1990s. OH has held various trustee positions in the Finnish Medical Society Duodecim and Duodecim Publishing Company Ltd since 2009 and is a partner at iHealth Finland Ltd. The other authors have no competing interests. This does not alter our adherence to PLOS ONE policies on sharing data and materials.