1. Department of Obstetrics and GynaecologyMonash University Melbourne Victoria Australia
2. Department of Obstetrics and GynecologyParacelsus Medical University Salzburg Austria
3. Monash Ultrasound for Women Melbourne Victoria Australia
4. School of Clinical SciencesMonash University Melbourne Victoria Australia
5. Department of Gynecology and ObstetricsRibeirão Preto Medical School, University of São Paulo Ribeirão Preto, São Paulo Brazil