About the Authors

Sue Jordan

S.E.Jordan@swansea.ac.uk

Affiliation Department of Nursing, College of Human and Health Sciences, Swansea University, Swansea, United Kingdom

Joan K. Morris

Affiliation Queen Mary University of London, London, United Kingdom

Gareth I. Davies

Affiliation Department of Nursing, College of Human and Health Sciences, Swansea University, Swansea, United Kingdom

David Tucker

Affiliation Public Health Wales, Swansea, United Kingdom

Daniel S. Thayer

Affiliation Department of Nursing, College of Human and Health Sciences, Swansea University, Swansea, United Kingdom

Johannes M. Luteijn

Affiliation Queen Mary University of London, London, United Kingdom

Margery Morgan

Affiliation Public Health Wales, Swansea, United Kingdom

Ester Garne

Affiliation Paediatric Department, Hospital Lillebaelt, Kolding, Denmark

Anne V. Hansen

Affiliation Department of Public Health, University of Copenhagen, Copenhagen, Denmark

Kari Klungsøyr

Affiliations Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway, Department of Health Registries, Norwegian Institute of Public Health, Bergen, Norway

Anders Engeland

Affiliations Department of Pharmacoepidemiology, Norwegian Institute of Public Health Bergen, Bergen, Norway, Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway

Breidge Boyle

Affiliation Centre for Maternal, Fetal and Infant Research, Ulster University, Newtownabbey, Co Antrim, Northern Ireland, United Kingdom

Helen Dolk

Affiliation Centre for Maternal, Fetal and Infant Research, Ulster University, Newtownabbey, Co Antrim, Northern Ireland, United Kingdom

Competing Interests

All authors have declared that they have no competing interests.

Author Contributions

Conceptualization: HD SJ EG JM. Data curation: SJ GID DST DT KK AE AVH EG. Formal analysis: JM JL SJ. Funding acquisition: HD EG JM SJ. Investigation: GID DST AVH AE KK DT MM BB EG HD SJ. Methodology: HD SJ EG JM. Project administration: SJ HD AVH AE KK EG DT. Visualization: GID DST AVH AE KK DT MM BB EG HD SJ JM JL. Writing – original draft: SJ. Writing – review & editing: SJ HD.