Author Contributions
J.T.
M.M. had a leadership role in the preparation and organization of the clinical study, performed the clinical examinations, and wrote the first draft of the manuscript. K.T. was the leading psychologist; she provided the clinical evaluations, organized the data collection, and critically revised the draft together with V.Ž. and I.Š. co-wrote and edited the manuscript and performed the statistical analyses and data evaluation. M.H. initiated the study and participated in the sulforaphane preparation. P.N., J.T., N.V., I.S. and L.J. took part in the sulforaphane and placebo preparation development and edited the manuscript. All authors have read and agreed to the published version of the manuscript.