About the Authors

Ali S. Khashan

Affiliation Anu Research Centre, Department of Obstetrics and Gynaecology, Cork University Maternity Hospital, University College Cork, Wilton, Cork, Republic of Ireland

Louise C. Kenny

Affiliation Anu Research Centre, Department of Obstetrics and Gynaecology, Cork University Maternity Hospital, University College Cork, Wilton, Cork, Republic of Ireland

Thomas M. Laursen

Affiliation National Centre for Register-Based Research, University of Aarhus, Aarhus, Denmark

Uzma Mahmood

Affiliation Anu Research Centre, Department of Obstetrics and Gynaecology, Cork University Maternity Hospital, University College Cork, Wilton, Cork, Republic of Ireland

Preben B. Mortensen

Affiliation National Centre for Register-Based Research, University of Aarhus, Aarhus, Denmark

Tine B. Henriksen

Affiliation Perinatal Epidemiology Research Unit, Department of Paediatrics, Aarhus University Hospital, Aarhus, Denmark

Keelin O'Donoghue

k.odonoghue@ucc.ie

Affiliation Anu Research Centre, Department of Obstetrics and Gynaecology, Cork University Maternity Hospital, University College Cork, Wilton, Cork, Republic of Ireland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ASK LCK UM TML KOD. Performed the experiments: ASK TML TBH KOD. Analyzed the data: ASK TML TBH PBM KOD. Contributed reagents/materials/analysis tools: LCK TML TBH PBM. Wrote the paper: ASK LCK TML UM KOD.