1. Department of Neurology, Third Faculty of Medicine, Charles University, 100 00 Prague, Czech Republic
2. Department of Neurology, Faculty Hospital Královské Vinohrady, 100 34 Prague, Czech Republic
3. National Institute of Mental Health, 250 67 Klecany, Czech Republic
4. Department of Psychiatry and Medical Psychology, Third Faculty of Medicine, Charles University, 100 00 Prague, Czech Republic