1. Group of Trace Elements, Speciation and Spectroscopy (GETEE) − Institute for Materials of the University of Santiago de Compostela (iMATUS), Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Chemistry, Universidade de Santiago de Compostela, Avda. de las Ciencias, s/n, E-15782, Santiago de Compostela, A Coruña, Spain
2. Galician Center for Mathematical Research and Technology, CITMAga, Department of Statistics, Mathematical Analysis and Optimization, Faculty of Mathematics, Universidade de Santiago de Compostela, Rúa Lope Gómez de Marzoa, s/n, E-15782, Santiago de Compostela, A Coruña, Spain