AUTHOR=Løberg Else-Marie , Nygård Merethe , Berle Jan Øystein , Johnsen Erik , Kroken Rune A. , Jørgensen Hugo A. , Hugdahl Kenneth TITLE=Corrigendum: An fMRI Study of Neuronal Activation in Schizophrenia Patients with and without Previous Cannabis Use JOURNAL=Frontiers in Psychiatry VOLUME=4 YEAR=2013 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2013.00051 DOI=10.3389/fpsyt.2013.00051 ISSN=1664-0640