1. Department of Public Health; State University of Ceará; Fortaleza Ceará Brazil
2. Department of Pediatrics; Albert Sabin Hospital; Fortaleza Ceará Brazil
3. University of Melbourne Department of Obstetrics and Gynaecology and Department of Perinatal Medicine; Pregnancy Research Centre, Royal Women's Hospital Melbourne Victoria Australia
4. Monash Ultrasound for Women; Melbourne Victoria Australia