1. Kethea’s Ariadni Open Care Unit, Treatment Program for Dependent Individuals, Heraklion, Greece
2. Kethea’s Ariadni Treatment Program for Dependent Individuals, Heraklion, Greece
3. Kethea’s Ariadni Research Department, Treatment Program for Dependent Individuals, Heraklion, Greece
4. Kethea’s Psychiatric Comorbidity Unit, Treatment Program for Dependent Individuals, Athens, Greece
5. Kethea’s Research Department, Therapy Center for Dependent Individuals, Athens, Greece
6. Lifelong Learning, Group Dynamics and Adult Education, School of Education, Department of Pedagogy and Primary Education, National and Kapodistrian University of Athens, Athens, Greece