Applying an international perspective in defining PTSD and related disorders: comment on Friedman (2013).

We address the general perspective of the World Health Organization towards the classification process of the 11(th) revision of the International Classification of Diseases and Related Health Problems (ICD-11); give a short description of the ICD-11 proposals related to "disorders specifically associated with stress" and the differentiation between posttraumatic stress disorder, complex posttraumatic stress disorder, and prolonged grief disorder; and comment on the most important aim of classifying mental disorders-to provide the best treatments available.