Dear all, in order to increase the safety of participants and considering the vaccination campaign that is taking place in Italy we decided to move the conference dates to *13-16 September 2021*. At this date, the whole Italian population should be vaccinated and Sardinia island is the safest place in Italy. The conference will be in Hybrid mode (online and face to face). Consequently the new deadlines are: ·*full paper submission End of April 2021 *for A2TM Workshop; ·*notification of Acceptance 30 May 2021*; ·***submission deadline *for *camera ready paper and registration 20 June 2021*. Thanks to your patience, Massimiliano Petri & Antonio Pratelli