1. Department of Nursing, Faculty of Medicine and Nursing University of the Basque Country (UPV‐EHU) Leioa Spain
2. Basque Country Colorectal Cancer Screening Programme Osakidetza, Basque Health Service Bilbao Spain
3. Biocruces Health Research Institute Barakaldo Spain
4. Department of Applied Mathematics, Statistics and Operations Research. Faculty of Science and Technology University of the Basque Country (UPV‐EHU) Leioa Spain
5. Basque Center for Applied Mathematics—BCAM Bilbao Spain
6. Red de Investigación en Servicios Sanitarios y Enfermedades Crónicas—REDISSEC Madrid Spain