[1] Univ Hosp Reina Sofias, Neurosurg Dept, Andalusian Hlth Care Syst, Cordoba 14004, Spain
[2] Univ Cordoba, Serv Environm Protect, Environm Protect Off, SEPA, Cordoba 14071, Spain
[3] Fac Med & Nursing Cordoba, BioMed Program Occupat Med, IMIBIC GC 12 Res Groups Clinical Epidemiolog, Occupat Epidemiol & Sustainabil,Nursing,Pharmacol, Cordoba 14071, Spain
[4] Sevilla Univ, Dept Appl Econom 1, Quantitat Methods Econom & Business, Seville 41004, Spain