1. Department of Analytical Chemistry Faculty of Science and Technology University of the Basque Country (UPV/EHU) P.O. Box 644 48080 Bilbao, Basque Country Spain
2. Department of Physics Faculty of Sciences University of Oviedo Asturias Spain
3. Department of Didactics of Mathematics and Experimental Sciences Faculty of Education and Sport University of the Basque Country (UPV/EHU) Vitoria-Gasteiz, Basque Country Spain
4. Applied Research Laboratory of the Archaeological Park of Pompeii via Plinio 4 Pompeii Italy
5. Former General Director of the Archaeological Park of Pompeii via Plinio 4 Pompeii Italy
6. Department of Art Technology Swiss Institute for Art Research (SIK-ISEA) Zollikerstrasse 32 8032 Zurich Switzerland
7. Department of Analytical Chemistry Faculty of Pharmacy University of the Basque Country (UPV/EHU) P.O. Box 450 01080 Vitoria-Gasteiz, Basque Country Spain