1. Research Unit Costa del Sol Health Agency Marbella Spain
2. Health Services Research Network on Chronic Diseases—REDISSEC Valencia Spain
3. Biomedical Research Institute of Málaga (IBIMA) Málaga Spain
4. Medical Oncology Service Costa del Sol Health Agency Marbella Spain
5. Intercenter Clinical Management Unit of Medical Oncology Regional and Virgen de la Victoria University Hospital of Málaga Malaga Spain
6. Department of Surgical Specialties, Biochemistry and Immunology Faculty of Medicine University of Málaga Malaga Spain
7. Area of Environmental Epidemiology and Cancer National Epidemiology Centre Carlos III Health Institute (ISCIII) Madrid Spain
8. CIBER of Epidemiology and Public Health (CIBERESP) Institute of Health Carlos III Madrid Spain
9. Clinical Epidemiology and Cancer Screening Parc Taulí University Hospital Sabadell, Barcelona Spain
10. Osakidetza Basque Health Service Research Unit Basurto Universitary Hospital Bilbao, Bizkaia Spain
11. Kronikgune Institute for Health Services Research Barakaldo Spain
12. Biodonostia Health Research Institute Donostia Universitary Hospital Donostia‐San Sebastian, Guipuzkoa Spain
13. Department of Preventive Medicine Unit of Public Health and Environmental Care University of Valencia Valencia Spain
14. Research Unit Galdakao‐Usansolo Hospital Galdakao Spain