About the Authors
- Kathryn E. Fitzpatrick
-
Affiliation National Perinatal Epidemiology Unit, University of Oxford, Oxford, United Kingdom
- Jennifer J. Kurinczuk
-
Affiliation National Perinatal Epidemiology Unit, University of Oxford, Oxford, United Kingdom
- Zarko Alfirevic
-
Affiliation Division of Perinatal and Reproductive Medicine, University of Liverpool, Liverpool Women's Hospital, Liverpool, United Kingdom
- Patsy Spark
-
Affiliation National Perinatal Epidemiology Unit, University of Oxford, Oxford, United Kingdom
- Peter Brocklehurst
-
Affiliation National Perinatal Epidemiology Unit, University of Oxford, Oxford, United Kingdom
- Marian Knight
-
* E-mail: marian.knight@npeu.ox.ac.uk
Affiliation National Perinatal Epidemiology Unit, University of Oxford, Oxford, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JJK ZA PS PB MK. Performed the experiments: MK. Analyzed the data: KF JJK ZA PS PB MK. Wrote the first draft of the manuscript: KF MK. Contributed to the writing of the manuscript: JJK ZA PS PB. ICMJE criteria for authorship read and met: KF JJK ZA PS PB MK. Agree with manuscript results and conclusions: KF JJK ZA PS PB MK.