1. University of Auckland; Department of Obstetrics & Gynaecology; PO Box 92019 Auckland New Zealand 1003
2. University of Maastricht; Faculty of Medicine; Maastricht Netherlands
3. Auckand Hospital; Fertility Plus; 12th Floor Auckland New Zealand
4. University of Gothenburg; Obstetrics and Gynecology; Kungälv Hospital Kungälv Sweden
5. Máxima Medical Center; Obstetrics and Gynaecology; Postbox 7777 Veldhoven Netherlands 5500 MB