1. Institute of Heritage Science, National Research Council (CNR-ISPC), Via Cozzi 53, 20125, Milan, Italy
2. Sapienza University of Rome, Faculty of Literature, Department of Classics, Piazzale Aldo Moro 5, 00185, Rome, Italy
3. Ferdinand-Braun-Institut Leibniz-Institut für Höchstfrequenztechnik, Gustav-Kirchhoff-Str. 4, 12489 Berlin, Germany
4. Central Laser Facility, Research Complex at Harwell, STFC Rutherford Appleton Laboratory, Harwell Oxford, OX11 0QX, UK
5. Department of Chemistry, University of Cincinnati, 201 Crosley Tower, Cincinnati, USA