RussiaDepressionDepressive DisorderRussia (Pre-1917)Depression, PostpartumSiberiaCortical Spreading DepressionDepressive Disorder, MajorAntidepressive AgentsPsychiatric Status Rating ScalesLong-Term Synaptic DepressionMoscowRepublic of BelarusAnxietyBaltic StatesUkraineQuestionnairesArctic RegionsAnxiety DisordersEurope, EasternKazakhstanPrevalenceCross-Sectional StudiesRisk FactorsPersonality InventoryPsychotherapyStress, PsychologicalUzbekistanComorbidityCommonwealth of Independent StatesAntidepressive Agents, Second-Generation