1. Department of Obstetrics and Gynaecology, University of Milan
Hamilton, Ontario, Canada
2. Department of Obstetrics and Gynaecology, McMaster University
Hamilton, Ontario, Canada
3. Department of Obstetrics and Gynaecology, University of Sheffield
Sheffield, UK
4. Department of Reproductive Endocrinology, Karolinska Institute
Stockholm, Sweden
5. Via Lipari 4, Milan, Italy