In the Original Investigation titled “Effects of Group Psychotherapy, Individual Counseling, Methylphenidate, and Placebo in the Treatment of Adult Attention-Deficit/Hyperactivity Disorder: A Randomized Clinical Trial,”1 published online November 4, 2015, there was an omission in the author affiliations section. The following affiliation should have been included: “Department of Psychiatry and Psychotherapy, University Medical Center Mainz, Mainz, Germany (Retz).” This article was corrected online.
Omitted Author Affiliation. JAMA Psychiatry. 2016;73(1):90. doi:10.1001/jamapsychiatry.2015.2803