write a study guide including the Definition, etiology, Occurrence/epidemiolog

 write a study guide including the Definition, etiology, Occurrence/epidemiology, Clinical presentation, Diagnostic examination, Differential diagnosis, Non-pharmacological and pharmacological management and follow -up 
The study guide is to be clear and concise and will provide a quick reference for a specific chronic disease.
Include your resources and guidelines used for the elaboration of the study guide.
will lose points for improper grammar, punctuation, misspelling, and references should be current (published within the last five years).