1. Prague Psychiatric Centre, Czech Republic, 3rd Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
2. Prague Psychiatric Centre, Prague, Czech Republic
3. Prague Psychiatric Centre, 1st Faculty of Medicine, Charles University in Prague, Prague, Czech Republic
4. Psychiatric Clinic, University Hospital Bratislava, Slovakia, Faculty of Medicine, Comenius University in Bratislava, Bratislava, Slovakia