1. University of Patras, Department of Geology, Section of Earth Materials, Patras, Greece
2. National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment, Panepistimioupoli Zografou, Athens, Greece
3. University of Vienna, Department of Lithospheric Research, Althanstr. Vienna, Austria
4. Centre for Research and Technology-Hellas (CERTH), Marousi, Attica, Greece