1. Department of Physical Chemistry, Faculty of Chemistry, University of Castilla—La Mancha, Avda. Camilo José Cela s/n, 13071 Ciudad Real, Spain
2. Department of Physical Chemistry, Faculty of Chemistry, University of Santiago, Avda. Das Ciencias s/n, 15701 Santiago de Compostela, Spain
3. Department of Physical Chemistry, Faculty of Science, University of Vigo, Campus de As Lagoas, 32004 Ourense, Spain