1. Department of Epidemiology and Evaluation Hospital del Mar Institute for Medical Research Barcelona Spain
2. European Higher Education Area Doctoral Program in Methodology of Biomedical Research and Public Health in Department of Pediatrics, Obstetrics and Gynecology, Preventive Medicine and Public Health Universitat Autónoma de Barcelona (UAB) Barcelona Spain
3. Health Services Research on Chronic Patients Network (REDISSEC) Instituto de Salud Carlos III Madrid Spain
4. EpiChron Research Group, Aragon Health Sciences Institute (IACS), IIS Aragón Miguel Servet University Hospital Zaragoza Spain
5. Radiotherapy Department Miguel Servet University Hospital Zaragoza Spain
6. Madrid Health Service, Primary Care Research Unit Calle San Martín de Porres Madrid Spain
7. Navarrabiomed‐Complejo Hospitalario de Navarra‐Universidad Pública de Navarra, IdiSNA Pamplona Spain
8. Department of Organization and Communication Parc Sanitari Pere Virgili Barcelona Spain
9. Fundació Institut Universitari per a la recerca a l'Atenció Primària de Salut Jordi Gol i Gurina (IDIAPJGol) Barcelona Spain
10. Research Unit, Costa del Sol Hospital University of Málaga, Instituto de Investigación Biomédica de Málaga (IBIMA) Marbella Spain
11. Autonomous University of Barcelona (UAB) Barcelona Spain