1. Internal Medicine Service, Defense General Hospital, Vía Ibérica 1, ES-50009 Zaragoza, Spain
2. Research Group on Heart Failure, IIS Aragón, Paseo de Isabel la Católica 1-3, ES-50009 Zaragoza, Spain
3. EpiChron Research Group, Aragon Health Sciences Institute (IACS), IIS Aragón, Miguel Servet University Hospital, Paseo de Isabel la Católica 1-3, ES-50009 Zaragoza, Spain
4. Research Network on Chronicity, Primary Care and Health Promotion (RICAPPS), ISCIII, ES-28029 Madrid, Spain
5. San Pablo Primary Care Health Centre, Aragon Health Service (SALUD), de los Aguadores Street 7, ES-50003 Zaragoza, Spain
6. Internal Medicine Service, Lozano Blesa University Hospital, de San Juan Bosco Street 15, ES-50009 Zaragoza, Spain