1 Department of Pediatrics, Obstetrics and Gynecology, Preventive Medicine and Public Health, Universitat Autònoma de Barcelona (UAB), 08193, Bellaterra, Barcelona, Spain.
2 Preventive Medicine and Public Health Training Unit PSMar-UPF-ASPB, Parc de Salut Mar, Agència de Salut Pública de Barcelona, i Universitat Pompeu Fabra, Barcelona, Spain.
3 IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain.
4 Departamento Psicología Social, Facultad Farmacia, UPV/EHU, Vitoria-Gasteiz, Araba, Spain.
5 KRONIKGUNE-Institute for Health Service Research, Barakaldo, Bizkaia, Spain.
6 Health Services Research on Chronic Patients Network (REDISSEC), Galdakao, Bizkaia, Spain.
7 Red de Investigación en Cronicidad, Atención Primaria y Promoción de la Salud (RICAPPS), Madrid, Spain.
8 Osakidetza Basque Health Service, Research Unit, Galdakao-Usansolo University Hospital, Galdakao, Bizkai, Spain.
9 Biodonostia Health Research Institute, Donostia University Hospital, Donostia, Gipuzkoa, Spain.
10 Research and Innovation Unit, Hospital Costa del Sol, Marbella, Spain.
11 Servicio de Evaluación y Planificación del Servicio Canario de la Salud (SESCS), Tenerife, Spain.
12 Health Services Research Group, IMIM (Hospital del Mar Medical Research Institute), Doctor Aiguader 88, 08003, Barcelona, Spain.
13 Health Services Research Group, IMIM (Hospital del Mar Medical Research Institute), Doctor Aiguader 88, 08003, Barcelona, Spain. mferrer@imim.es.
14 CIBER en Epidemiología y Salud Pública (CIBERESP), Madrid, Spain. mferrer@imim.es.
15 Departament de Medicina i Ciències de la Vida, Universitat Pompeu Fabra (UPF), Barcelona, Spain. mferrer@imim.es.