1. “Nello Carrara” Institute of Applied Physics of the National Research Council (IFAC-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy
2. Department of Chemistry, University of Florence, Via della Latruccia 3-13, 50019 Sesto Fiorentino, Italy
3. Conservation Science Department, Deutsches Museum, Museumsinsel 1, 80538 Munich, Germany
4. Chair of Conservation-Restoration, Art Technology and Conservation Science, TUM School of Engineering and Design, Technical University of Munich, Oettingenstr. 15, 80538 Munich, Germany
5. Conservator in Private Practise, Via Maggio 40, 50125 Firenze, Italy