1. Department of Health Sciences, Public University of Pamplona, Pamplona, Spain
2. Institute of Neuroscience of Castilla y León (INCYL), University of Salamanca, Salamanca, Spain
3. Biology Centre CAS, Institute of Hydrobiology, Ceske Budejovice, Czech Republic
4. Department of Demographic Epidemiology and Social Determinants, National Institute of Geriatrics, Ciudad de México, México