1. Peritoneal Carcinomatosis Unit, Department of General and Digestive Surgery, Hospital Universitario de Fuenlabrada, 28942 Madrid, Spain
2. Department of Surgery, Rey Juan Carlos University (URJC), 28933 Madrid, Spain
3. Spanish Group of Peritoneal Oncologic Surgery (GECOP), 28001 Madrid, Spain
4. Peritoneal Oncologic Surgery Unit, Department of Surgery, Hospital Virgen de la Arrixaca, IMIB-ARRIXACA, 30120 Murcia, Spain
5. Department of Surgery, Hospital Virgen del Rocío, 41013 Sevilla, Spain
6. Advanced Oncologic Surgery Unit, Department of General and Digestive Surgery, Hospital Río Hortega, 47012 Valladolid, Spain
7. Department of General and Digestive Surgery, Hospital Universitario de Torrecárdenas, 04009 Almería, Spain
8. Department of General and Digestive Surgery, Hospital Infanta Cristina, 06080 Badajoz, Spain
9. Department of General and Digestive Surgery, Hospital General Universitario de Elche, 03203 Alicante, Spain
10. Department of General and Digestive Surgery, Hospital Príncipe de Asturias de Alcalá de Henares, 28805 Madrid, Spain
11. Department of General and Digestive Surgery, Hospital de La Fe, 46026 Valencia, Spain
12. Department of General and Digestive Surgery, Hospital MD Anderson Cancer Center, 28033 Madrid, Spain
13. Department of General and Digestive Surgery, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain
14. Department of General and Digestive Surgery, Hospital Insular, 35016 Las Palmas de Gran Canaria, Spain