1.Correia, Joaquim M. C. - Universidade de Évora, Évora, Portugal
2. Gael Raoul - Centre de Mathematiques Appliquees, Ecole Polytechnique, France
3. Myers, Timothy G. - Centre de Recerca Matemàtica, Barcelona, Spain
4. Thi Minh Thao Le - Center for Computational and Stochastic Mathematics, Instituto Superior Técnico, Lisbon, Portugal