1. Department of Analytical Chemistry, Faculty of Science, University of Granada, Ave. Fuentenueva s/n, 18071 Granada, Spain
2. Instituto de Biología Agrícola de Mendoza (IBAM), CONICET, Alt. Brown 500, Chacras de Coria, 5505 Mendoza, Argentina
3. Acer Campestres S.L., Almendro, 37 (Pol. Ind. El Cerezo), 23670 Castillo de Locubín, Jaén, Spain