Nursing homework help

Name the DSM-IV-TR indicators necessary for a diagnosis of PTSD? (at least five of condition/symptoms, with two in each category, include specific symptoms in children)
This question has different parts:
You must mention the five (5) conditions, 2 characteristics in each category.
Also specific symptoms in children
Do you know anyone that suffers from PTSD, if you do, please share a brief description about the case.
You need to support your answer with references and APA style.