26 – 28 November 2021 “Democritus” National Research Center, Athens

3 – 5 December 2021 Building “AKISA”, “Attikon” General Hospital, Athens

4 – 5 December 2021 Grand Hyatt Hotel, Athens

11 – 12 December Makedonia Palace Hotel, Thessaloniki   Registration Form   Scientific program

17 – 18 December 2021 Megaron International Conference Center, Athens

17 – 18 December 2021 Eugenides Foundation, Athens