1 a Director of Graduate Studies, School of Nursing and Midwifery, Brookfield Health Sciences Complex , University College Cork , Ireland .
2 b Evaluation Trial Coordinator for Children and Young People Health Partnership, Lecturer in Child Public Health, School of Population Sciences and Health Services Research, Faculty of Life Sciences and Medicine , King's College London.
3 c National Perinatal Epidemiology Unit, Nuffield Department of Population Health , University of Oxford , Headington , Oxford.