title: Introduction.
authors.affiliation: hlavrets@ucla.edu.
authors.forename: Helen
authors.initials: H
authors.lastname: Lavretsky
mesh_terms: D000368:Aged; D015897:Comorbidity; D005852:Geriatric Psychiatry / Q000379:methods / Q000639:trends; D006801:Humans; D055118:Medication Adherence; D016743:Mental Competency; D001523:Mental Disorders / Q000175:diagnosis / Q000378:metabolism / Q000523:psychology / Q000628:therapy; D011613:Psychotherapy / Q000379:methods; D012107:Research Design; D017216:Telemedicine / Q000379:methods*