1. Department of Gynecology, Imeldaziekenhuis, Bonheiden, Belgium.
2. Women's and Newborn Health Department, Westmead Hospital, Sydney, New South Wales, Australia.
3. Centre Hospitalier Issoire, Issoire, France.
4. Clermont Auvergne University, Clermont-Ferrand, Auvergne-Rhône-Alpes, France.
5. Sydney University, Sydney, New South Wales, Australia.