Before revision:  Moreover, we map out the evolution of public behaviour in each country from 2020/01/22 to 2020/06/05 , figuring out the main differences in public behaviour between GR and related countries .
After revision:  Moreover, we plot the changing of topics in each country from 2020/01/22 to 2020/06/05 , figuring out the main differences in public behaviour between GR and related countries .