van Helden, Jacques; Butler, Colin D; Achaz, Guillaume; Canard, Bruno; Casane, Didier; Claverie, Jean-Michel; Colombo, Fabien; Courtier, Virginie; Ebright, Richard H; Graner, François; Leitenberg, Milton; Morand, Serge; Petrovsky, Nikolai; Segreto, Rossana; Decroly, Etienne; Halloy, José.