1. CNR-SCITEC, via Elce di Sotto 8, 06123 Perugia, Italy.
2. SMAArt Centre and Department of Chemistry, Biology, and Biotechnology, University of Perugia, via Elce di Sotto 8, 06123 Perugia, Italy.
3. AXES Research Group, NANOlab Centre of Excellence, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium.
4. Rijksmuseum, Conservation & Restoration—Scientific Research, Hobbemastraat 22, 1071 ZC Amsterdam, Netherlands.
5. ESRF, 71 Avenue des Martyrs, 38000 Grenoble, France.
6. LAMS, CNRS UMR 8220, Sorbonne Université, UPMC Univ. Paris 06, 4 place Jussieu, 75005 Paris, France.
7. DESY, Notkestraße 85, 22603 Hamburg, Germany.
8. Munch Museum, Tøyengata 53, 0578 Oslo, Norway.
9. Bard Graduate Center, 86th St., New York, NY 10024, USA.
10. Scientific Analysis of Fine Art LLC, 843 Old State Rd., Berwyn, PA 19312, USA.
11. LISComp Laboratory, Federal Institute of Rio de Janeiro, Paracambi, RJ 26600000, Brazil.
12. CNR-ISPC, via Cardinale Guglielmo Sanfelice 8, 80134 Napoli, Italy.