Department of Affective and Psychotic Disorders, Medical University of Lodz, ul. Czechoslowacka 8/10, 92-216, Lodz, Poland. tomasz.pawelczyk@umed.lodz.pl. Central Teaching Hospital, Medical University of Lodz, ul. Pomorska 251, 92-213, Lodz, Poland. martagrancow@gmail.com. Department of Affective and Psychotic Disorders, Medical University of Lodz, ul. Czechoslowacka 8/10, 92-216, Lodz, Poland. magdalena.kotlicka-antczak@umed.lodz.pl. Department of Nutrition Hygiene and Epidemiology, Medical University of Lodz, ul. Jaracza 63, 90-251, Lodz, Poland. elzbieta.trafalska@umed.lodz.pl. Scanlab Medical Diagnostics, ul. Przedzalniana 66, 90-338, Lodz, Poland. piotr.gebski@umed.lodz.pl. Department of Medical Biochemistry, Medical University of Lodz, ul. Czechoslowacka 8/10, 92-216, Lodz, Poland. janusz.szemraj@umed.lodz.pl. Clinical Psychology Resident in the Department of Affective and Psychotic Disorders, Medical University of Lodz, Lodz, Poland. nzurner@gmail.com. Department of Affective and Psychotic Disorders, Medical University of Lodz, ul. Czechoslowacka 8/10, 92-216, Lodz, Poland. agnieszka.pawelczyk@umed.lodz.pl.