University of Trento, Italy

University of Rome Tor Vergata, Italy

University of Naples Federico II, Italy

Center for Advanced Studies, Research and Development in Sardinia, Italy

University of Wroclaw, Poland

Nicolaus Copernicus University in Toruń, Poland

IMPAN & University of Warsaw, Poland

University of Catania, Italy

Wroclaw University of Science and Technology, Poland

University of Warsaw, Poland