1. Pathology Department, University Hospital Ramón y Cajal, IRYCIS, 28034 Madrid, Spain
2. Instituto Valenciano de Oncología, 46009 Valencia, Spain
3. Spanish Group for Investigation on Ovarian Cancer (GEICO), 28003 Madrid, Spain
4. Biomedical Research Network in Oncology (CIBERONC), Instituto de Salud Carlos III, 28029 Madrid, Spain
5. Faculty of Medicine, University of Alcalá, 28801 Alcalá de Henares, Spain
6. Oncology Department, University Hospital La Paz, IdiPAZ, 28046 Madrid, Spain
7. Instituto de Investigación Sanitaria del Hospital Universitario La Paz, 28029 Madrid, Spain
8. Faculty of Medicine, Autonomous University of Madrid, 28029 Madrid, Spain
9. Pathology Department, University Hospital Getafe, 28905 Getafe, Spain
10. Oncology Department, University Hospital La Fe, 46026 Valencia, Spain
11. Department of Medical, Oral, and Biotechnological Sciences, University “G.D’Annunzio” of Chieti-Pescara, 66013 Chieti, Italy
12. Pathology Department, University Hospital La Paz, 28046 Madrid, Spain
13. Pathology Department, University Hospital Virgen del Rocío, 41013 Sevilla, Spain
14. Pathology and Medical Oncology Departments, Hospital Universitari Arnau de Vilanova, IRBLLEIDA, University of Lleida, 25003 Lleida, Spain
15. Pathology Department, Hospital Universitari de Bellvitge, IDIBELL, University of Barcelona, 08007 Barcelona, Spain
16. Oncology Department, University Hospital Virgen del Rocío, 41013 Sevilla, Spain
17. Seville Biomedical Research Institute (IBIS), 41013 Sevilla, Spain
18. Oncology Department, University Hospital Ramón y Cajal, IRYCIS, 28034 Madrid, Spain
19. Pathology Department, Emeritus Faculty, Autonomous University of Barcelona, 08193 Barcelona, Spain
20. Initia Oncología, Hospital Quironsalud Valencia, 46010 Valencia, Spain