1. Department of Preventive Medicine and Public Health University of Santiago de Compostela Santiago de Compostela Spain
2. Health Research Institute of Santiago de Compostela (Instituto de Investigación Sanitaria de Santiago de Compostela ‐ IDIS) Santiago de Compostela Spain
3. Consortium for Biomedical Research in Epidemiology and Public Health (CIBER en Epidemiología y Salud Pública/CIBERESP) Madrid Spain
4. Neurology Service University Hospital of the Canary Islands Tenerife Spain
5. Galician Health Service The Galician Blood and Organ and Donation Agency (ADO) Santiago de Compostela Spain
6. Galician Health Service, Home Hospitalisation Unit (HADO) A Coruña University Hospital Complex Santiago de Compostela Spain