Dear all, thanks for the work done on this document I just post a series of contributions.

Some sily as this one, some (I hope) more substantial

firstly I spotted some misprints in the list of people. I list here the correct entries

Guido Caldarelli IMTLUCCA  Lucca Italy and Istituto Sistemi Complessi CNR Italy

Cattuto Ciro (remove Ciro Cattuto) Institute for Scientific Interchange Turin, Italy

Gallegati (not GALLEGATTI) Mauro Univesity Politechnic of Marche, Ancona Italy

Then please remove Mario Rasetti (Already present Rasetti Mario)

Vittorio Loreto (already present Loreto Vittorio)

Somewhere in the text there is also both ITC and ICT, please check