1. Colorectal Unit, Department of General Surgery, Elche University HospitalMiguel Hernández UniversityCarrer Almazara, 11 Elche Alicante 03203 Spain
2. Colorectal Unit, Department of General Surgery, Reina Sofía University HospitalUCAM Universidad Católica de MurciaAv. Intendente Jorge Palacios, 1 Murcia 30003 Spain
3. Colorectal Unit, Department of General SurgeryTorrecardenas University HospitalCalle Hermandad de Donantes de Sangre, s/n Almería 04009 Spain
4. Colorectal Unit, Department of General Surgery, San Juan University HospitalMiguel Hernandez UniversityCtra. Nnal. 332, s/n, 03550 Sant Joan d'Alacant Elche Alicante Spain
5. Center of Operations ResearchMiguel Hernandez UniversityAvinguda de la Universitat d'Elx, s/n Elche Alicante 03202 Spain
6. Colorectal Unit, Department of General Surgery, Alicante University General HospitalMiguel Hernandez UniversityPintor Baeza, 11 Elche Alicante 03010 Spain