Ruben Sergio Ersin Philip Peter Maurizio Luig Kinwah Elena Olivier Lorenzo Stefano Paolo Massimiliano Derek Giancarlo Diego Lorraine Nobuyuki Chryssa Paul Arne Patricia Rhaana Basa Nial Elenora Susanna Marina Miguel-Ángel Jean-Luc Stéphane Zeljka Marija Mari Peter Matthew Manfred Richard Odele Salvaterra Campana Gogus Evans Jonker Paolillo Piro Wu Pian godet Amati Covino D'Avanzo De Pasquale Fox Ghirlanda Götz Hanlon Kawai Kouveliotou O'Brien Rau Schady Starling stephane Tanvir Troja Vergani Orio Aloy INAF/IASF-Milano INAF - Osservatorio astronomico di Brera Sabanci University, Istanbul University of Leicester SRON, Netherlands Institute for Space Research University Federico II of Naples IAPS/INAF University College London INAF-IASFBO IRAP INAF - IASF Bologna INAF / Brera Astronomical Observatory INAF - Osservatorio Astronomico di Brera Istituto Astrofisica Spaziale Fisica Cosmica Palermo Penn State University INAF-Osservatorio Astronomico di Brera CEA Saclay University College Dublin Tokyo Institute of Technology NASA / MSFC University of Leicester MPE MPE University of Leicester Laboratoire d'Astrophysique de Marseille University of Leicester UMUC / GSFC CNRS-Observatoire de Paris INAF-Padova (and University of Wisconsin) Department of Astronomy and Astrophysics IRAP - Institut de Recherche en Astrophysique et Atteia Planétologie Blondin Laboratoire d'Astrophysique de Marseille Bosnjak Physics Department, University of Rijeka Kolehmainen University of Oxford Maksym University of Alabama Middleton Institute of Astronomy, University of Cambridge Pakull Observatoire Astronomique de Strasbourg / CNRS Saxton Telespazio-Vega Straub Oxford Physics & Observatoire de Paris