About the Authors

Christine Rohr Thomsen

christineantonsen@yahoo.dk

Affiliation Department of Obstetrics and Gynecology, Aarhus University Hospital, Skejby, Aarhus, Denmark

Niels Uldbjerg

Affiliation Department of Obstetrics and Gynecology, Aarhus University Hospital, Skejby, Aarhus, Denmark

Lone Hvidman

Affiliation Department of Obstetrics and Gynecology, Aarhus University Hospital, Skejby, Aarhus, Denmark

Hjördís Ósk Atladóttir

Affiliation Department of Pediatrics, Aarhus University Hospital, Skejby, Aarhus, Denmark

Tine Brink Henriksen

Affiliations Department of Pediatrics, Aarhus University Hospital, Skejby, Aarhus, Denmark, Perinatal Epidemiology Research Unit, Institute of Clinical Medicine, Aarhus University Hospital, Skejby, Aarhus, Denmark

Ioanna Milidou

Affiliation Perinatal Epidemiology Research Unit, Institute of Clinical Medicine, Aarhus University Hospital, Skejby, Aarhus, Denmark

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CRT NU LH HOA TBH IM. Analyzed the data: CRT IM. Contributed reagents/materials/analysis tools: HOA. Wrote the paper: CRT IM. Established the cohort: TBH. Edited the birth registration form: NU TBH.