F. De Angeli (1), G. Piotto (1), S. Cassisi (2), G. Busso (3), A. Recio-Blanco (4), M. Salaris (5), A. Aparicio (6), A. Rosenberg (6) ((1) Dipartimento di Astronomia, Padova, Italy; (2) INAF - Osservatorio Astronomico di Collurania, Teramo, Italy; (3) Institut fur Theoretische Physik und Astrophysik, Kiel, Germany; (4) Observatoire de la Cote d'Azur, Nice, France; (5) Astrophysics Research Institute, Liverpool, UK; (6) Instituto de Astrofisica de Canarias, Tenerife, Spain)
