1. Physics and Astronomy Department Galileo Galilei, University of Padova, Vicolo dell’Osservatorio 3, I-35122 Padova, Italy
2. INFN - Padova, Via Marzolo 8, I-35131 Padova, Italy
3. INAF - Osservatorio Astronomico di Padova, Vicolo dell’Osservatorio 5, I-35122 Padova, Italy
4. School of Physics and Astronomy, Institute for Gravitational Wave Astronomy, University of Birmingham, Birmingham B15 2TT, UK