1 Department of Obstetrics and Gynaecology, University of Melbourne, Melbourne, Victoria, Australia.
2 Gynaecology Research Centre, Royal Women's Hospital, Melbourne, Victoria, Australia.
3 Women's and Newborn, Monash Health, Melbourne, Victoria, Australia.
4 Department of Obstetrics and Gynaecology, Monash University, Melbourne, Victoria, Australia.
5 Research Division, Instituto Nacional de Perinatologia, Mexico City, Mexico.
6 Department of Obstetrics and Gynecology, University of Tokyo, Tokyo, Japan.
7 Department of Reproductive Medicine, Chiba University, Chiba, Japan.
8 Departamento de Obstetrícia e Giencologia, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, Brazil.
9 Fetal Medicine Unit, Royal Women's Hospital, Melbourne, Victoria, Australia.
10 Obstetric Research Group Ingham Institute, South Western Sydney Local Health District and Western Sydney University, Sydney, New South Wales, Australia.
11 Maternal Fetal Medicine Unit, Gold Coast University Hospital and School of Medicine and Dentistry, Griffith University, Gold Coast, Queensland, Australia.
12 Fetal Medicine Foundation, London, UK.
13 Harris Birthright Research Centre for Fetal Medicine, King's College Hospital, London, UK.
14 Department of Obstetrics and Gynaecology, University of Melbourne, Melbourne, Victoria, Australia. ellen.menkhorst@unimelb.edu.au.
15 Gynaecology Research Centre, Royal Women's Hospital, Melbourne, Victoria, Australia. ellen.menkhorst@unimelb.edu.au.