1. Background: Aggression is one of the symptoms of bipolar disorder. This expression can be associated with negative personal and social effects, Iran
2. School of Nursing and Midwifery, Chronic Diseases (Home Care) Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
3. School of Nursing and Midwifery, Research Center for Behavioral Disorders and Substance Abuse, Hamadan University of Medical Sciences, Hamadan, India
4. Dental Sciences Research Center, Faculty of Dentistry, Gulian University of Medical Sciences, Rasht, Christmas Island