Compare and contrast two anxiety, obsessive-compulsive, or trauma/stress related disorders (for example, Generalized Anxiety Disorder vs. PTSD). How are the diagnostic criteria similar and how are they different? The etiology, treatment, prevalence, gender differences? Do you agree with the diagnostic criteria? Why or why not? Based on the criteria, is it too "easy" or too "hard" for a person to be diagnosed with an anxiety or stress related disorder? Can you explain further? Did you use any references?