Affiliation: | 1. Laboratori de l’Agència de Salut Pública de Barcelona, Avinguda Drassanes 13-15, 08001, Barcelona, Spain 3. CIBER of Epidemiology and Public Health (CIBERESP), Madrid, Spain 2. Department of Analytical Chemistry, University of Barcelona, Martí Franquès 1-11, 08028, Barcelona, Spain
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