CIRRELT, GERAD, Montreal (P. Marcotte, G. Savard, M. Gendreau, G. Laporte, B. Gendron, ..)
University of Maastricht (Stan Van Hoesel)
Politecnico di Milano (Edouardo Amaldi)
University of Lisbon (Luis Gouveia)
University of Aveiro (Cristina Requejo)
University of Sevilla (Justo Puerto)
University of Chile (Fernando Ordonez)