epilepsy and depression (a medical review article)

I just want help with the introduction which is 500 words
and the subject is epilepsy and depression
a medical review article 

the introduction should contains there headlines and about 10 references
STRUCTURE OF SUBPOINTS OF INTRODUCTION
DEFINITIONHISTORYEPIDEMIOLOGY/STATISTICSTYPES/GENDER, ETHNIC, AND AGE PREDOMINANCERISK FACTORSETIOLOGY/PATHOGENESIS/GENETICSCLINICAL PRESENTATION/COMPLICATIONSDIAGNOSTIC INVESTIGATIONSMANAGEMENTPROBLEMAIMS AND OBJECTIVES