Authors: Eric Michel; Annie Baglin; Michel Auvergne; Claude Catala; Reza Samadi; Frédéric Baudin; Thierry Appourchaux; Caroline Barban; Werner W Weiss; Gabrielle Berthomieu; Patrick Boumier; Marc-Antoine Dupret; Rafael A Garcia; Malcolm Fridlund; Rafael Garrido; Marie-Jo Goupil; Hans Kjeldsen; Yveline Lebreton; Benoît Mosser; Arlette Grotsch-Noels; Eduardo Janot-Pacheco; Janine Provost; Ian W Roxburgh; Anne Thoul; Thierry Toutain; Didier Tiphène; Sylvaine Turck-Chieze; Sylvie D Vauclair; Gérard P Vauclair; Conny Aerts; Georges Alecian; Jérôme Ballot; Stéphane Charpinet; Anne-Marie Hubert; François Lignières; Philippe Mathias; Mario J P F G Monteiro; Coralie Neiner; Ennio Poretti; José Renan de Medeiros; Ignasi Ribas; Michel L Rieutord; Teodoro Roca Cortés; Konstanze Zwintz Journal: Science Date: 2008-10-24 Impact factor: 47.728