title: Editorial.
authors: a Department of Psychiatry , University of Maryland School of Medicine , Baltimore , Maryland , USA.
authors: Melanie
authors: M
authors: Bennett
mesh_terms: D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D017831:Diagnosis, Dual (Psychiatry); D006801:Humans; D001523:Mental Disorders / Q000175:diagnosis* / Q000628:therapy*; D019966:Substance-Related Disorders / Q000175:diagnosis* / Q000628:therapy*