1. University of Auckland; Obstetrics and Gynaecology; Private Bag 92019 Auckland New Zealand 1142
2. Maxima Medical Centre; De Run 4600 Veldhoven Netherlands
3. The Royal Women's Hospital; The University of Melbourne; Level 7, Research Precinct Melbourne Victoria Australia Parkville 3052
4. University of Teeside and South Cleveland Hospital, Middlesbrough; Gynaecological Surgery; 94 Westgate Guisborough Yorkshire UK TS14 6AP