Comorbid bipolar disorder and obsessive-compulsive disorder: Which came first?

Affiliations

• ¹ Department of Mental Health, Local Health Service, Parma, Italy.
• ² Department of Clinical and Experimental Medicine, University of Parma, Parma, Italy Mood Disorders Program, Tufts Medical Center, Boston, MA, USA andrea.amerio@studenti.unipr.it.
• ³ Unit of Public Health, Department of Biomedical, Biotechnological and Translational Sciences, University of Parma, Parma, Italy.
• ⁴ Institute of Psychiatry, Kings College London, London, UK.
• ⁵ Mood Disorders Program, Tufts Medical Center, Boston, MA, USA Department of Psychiatry and Pharmacology, Tufts University Medical School, Boston, MA, USA.