1. Instituto de Ciencias de la Vid y del Vino (CSIC, Gobierno de La Rioja, Universidad de La Rioja) Logroño Spain
2. Department of Inorganic Chemistry, Faculty of Science University of Granada Granada Spain
3. Department of Science and High Technology and To.Sca.Lab University of Insubria Como Italy
4. Institute of Crystallography and To.Sca.Lab, Consiglio Nazionale delle Ricerche Como Italy