Acknowledgements Manager and co-ordinator Barbara Moauro Legal Officer Laura Pasetto Consultants, translators, technical authors and data input and update Mogir Alahmad, Valentina Behara, Clara Bosco, Dora Egri, Romina Faragasso, Elfi de Franchis, Seva Gnetii, Ruud Hupperts, Mishael Levron, Yota Nicolarea, Eloy Sánchez, Monica Simone, Alessandra Tomassi and others. System design and code implementation Henryk Rybinski and Mariusz Suchorowski