1. Foundation University Institute for Primary Health Care Research Jordi Gol i Gurina (IDIAPJGol), Barcelona, Spain
2. Autonomous University of Barcelona, Bellaterra (Cerdanyola del Vallès), Spain
3. Network for Research on Chronicity, Primary Care and Health Promotion (RICAPPS), Spain
4. Nursing Faculty, University of Girona, Girona, Spain
5. Internet Interdisciplinary Institute (IN3), Open University of Catalonia, Castelldefels, Barcelona, Spain
6. Multidisciplinary Teaching Unit in Family and Community Care, Catalan Health Institute (ICS), Barcelona, Spain