title: Evidence supports validity of seasonal affective disorder.
authors.forename: Erin E
authors.initials: EE
authors.lastname: Michalak
authors.forename: Raymond W
authors.initials: RW
authors.lastname: Lam
mesh_terms: D003865:Major Depressive Disorder / Q000145:classification / Q000175:diagnosis / Q000523:psychology; D019317:Evidence-Based Medicine; D006801:Humans; D011569:Psychiatric Status Rating Scales; D015203:Reproducibility of Results; D016574:Seasonal Affective Disorder / Q000145:classification / Q000175:diagnosis* / Q000523:psychology