Erratum to: Psychopharmacology

DOI 10.1007/s00213-014-3797-6

The authors inadvertently omitted a fellow author from the author list. Ms. Elisabeth Grasser should be listed as the sixth author. Her affiliation is Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA. Her contributions are as follows: reviewing related literature, drafting part of the background and introduction section, and drafting sections of the methods using language from the NIH grant and IRB approved protocol. She has no competing interests to declare.