University of Genova, Italy
University of Chile, Chile
University of Maryland, USA
Alexandru Ioan Cuza University of Iasi, Romania
Alexandru Ioan Cuza University of Iasi, Romania
Aalborg University, Denmark
Universidade de Aveiro, Portugal
“Dunarea de Jos” University of Galati, Romania
Concordia University, Canada
University of Tennessee, USA
University of Tunis El Manar, Tunisia
University of Extremadura, Spain
Federal University of the Reconcavo of Bahia, Brazil
Arkansas Tech University, USA