Which of the following statements is false, regarding persistent depressive disorder? a. It is also referred to as dysthymia. b. Individuals with persistent depressive disorder do not fully meet the DSM-5 diagnostic criteria for major depressive disorder. c. Individuals with persistent depressive disorder have a chronic sense of being “down in the dumps”. d. Individuals with persistent depressive disorder have a higher likelihood of comorbid substance use disorders. e. Persistent depressive disorder tends to onset in late adulthood.