1. Department of Obstetrics and Gynecology, Ribeirão Preto Medical School; University of São Paulo; São Paulo Brazil
2. Department of Gynecology and Oncology; Jagiellonian University; Krakow Poland
3. BCNatal; Hospital Clinic Barcelona; Barcelona Catalonia Spain
4. Department of Radiology and Obstetrics and Gynecology; Brigham and Women's Hospital, Harvard Medical School; Boston MA USA
5. CHU Lille, Department of Endocrine Gynecology and Reproductive Medicine; Hospital Jeanne de Flandre; Lille France
6. Department of Obstetrics and Gynaecology; Monash University and Monash Ultrasound for Women; Melbourne Victoria Australia
7. Acute Gynaecology, Early Pregnancy and Advanced Endosurgery Unit, Sydney Medical School; University of Sydney; Sydney; and Nepean Hospital, Penrith Australia
8. Department of Obstetrics and Gynecology, Clinica Universidad de Navarra, School of Medicine; University of Navarra; Pamplona Spain
9. Department of Obstetrics and Gynecology; Skåne University Hospital; Malmo Sweden
10. Department of Obstetrics and Gynecology; University of Cagliari; Cagliari Italy
11. Department of Obstetrics & Gynecology; University Hospitals KU Leuven; Leuven Belgium
12. SEMEAR Fertilidade; Reproductive Medicine; Ribeirão Preto Brazil