University of West Attica, Greece

University of the Aegean, Greece

Centre National de la Recherche Scientifique, France

National and Kapodistrian University of Athens, Greece

The University of British Columbia, Canada

University of Southern California, USA

National & Kapodistrian University of Athens, Greece

University of Patras, Greece

University of Thessaly, Greece

National & Kapodistrian University of Athens, Greece

University of Peloponnese, Greece