1. Department of Obstetrics and Gynaecology and Department of Perinatal Medicine, Pregnancy Research Centre, Royal Women’s Hospital, University of Melbourne, Melbourne, VIC 3207, Australia
2. School of Medicine, University of São José do Rio Preto, São José do Rio Preto, SP, Brazil
3. Monash Ultrasound for Women, Melbourne, VIC, Australia
4. Department of Obstetrics, Paulista School of Medicine-Federal University of São Paulo (EPM-UNIFESP), 05303-000 São Paulo, SP, Brazil