Neither he nor his family holds equity positions in pharmaceutical corporations. Funding The author(s) received no financial support for the research, authorship and/or publication of this article. References Amerio A, Odone A, Marchesi C, et al. (2014) Do antidepressant-induced manic episodes in obsessivecompulsive disorder patients represent the clinical expression of an underlying bipolarity? Australian and New Zealand Journal of Psychiatry 48: 957. Amerio A, Stubbs B, Odone A, et al. (2015) The prevalence and predictors of comorbid bipo-lar disorder and obsessive-compulsive disorder: A systematic review and meta-analysis.