1. Department of Gynecology, Academic Hospital Erasme, Université Libre de Bruxelles, Brussels, Belgium.
2. Department of Gastroenterology, Academic Hospital Erasme, Université Libre de Bruxelles, Brussels, Belgium.
3. Department of Digestive Surgery, Academic Hospital Erasme, Université Libre de Bruxelles, Brussels, Belgium.
4. Department of Radiology, Academic Hospital Erasme, Université Libre de Bruxelles, Brussels, Belgium.
5. Department of Pathology, Academic Hospital Erasme, Université Libre de Bruxelles, Brussels, Belgium.