ICCROM, International Centre for the Study of the Preservation and Restoration of Cultural Property, Roma, Italy
Victoria and Albert Museum, UK
C2RMF,Centre de Recerche et de Restauration des Musees de France - Louvre, Paris, France
Institut Royal du Patrimoine Artistique, Brussel, Belgium
Escola Superior de Conservacio I Restauracio de Béns Culturals de Catalunya, Barcelona, Spain
Universidade Nova de Lisbon, Caparica, Portugal
The Bavarian State Department of Historical Monuments, Munich, Germany
The Netherland Institute for Cultural Heritage, Amsterdam, The Netherlands
Leiden University, Leiden, The Netherlands
Ghent University, Department of Archaeology, Archaeometry and natural science research unit, The Netherlands
School of Conservation, Copenhagen, Denmark
Hungarian National Museum, Budapest, Hungary
Aristotele University of Thessaloniki, Greece
University of Ioannina, Ioannina, Greece
FORTH – Foundation of Research & Technology, Hellas, Greece
University of Crete, Department of Chemistry,Heraklion, Greece