1. Department of Affective and Psychotic Disorders, Medical University of Lodz, Czechoslowacka Street 8/10, 92-216 Lodz, Poland
2. Department of Adolescent Psychiatry, Medical University of Lodz, Czechoslowacka Street 8/10, 92-216 Lodz, Poland
3. Faculty of Medicine, Medical University of Lodz, al. Kosciuszki 4, 90-419 Lodz, Poland