1. Acute Gynaecology, Early Pregnancy and Advanced Endosurgery Unit, Nepean Medical School, Nepean Hospital; University of Sydney; Penrith NSW Australia
2. Department of Obstetrics and Gynecology; A.O. Niguarda Ca' Granda; Milan Italy
3. Department of Computer Sciences; Aberystwyth University; Aberystwyth UK
4. Ribeirao Preto Medical School; University of Sao Paulo; Ribeirao Preto Brazil