sessment of Functioning scale. It is our hope that as these measures are implemented
over time, they will provide greater accuracy and flexibility in the clinical description of
individual symptomatic presen tations and associated disability during diagnostic as-
sessments.
•Online enhancements.  DSM-5 features online supplemental information.
Additional cross-cutting and diagnostic severity measures are available online
(www.psychiatry.org/dsm5), linked to the re levant disorders. In  addition, the Cul-
tural Formulation Interview, Cultural Formulation Interview—Informant Version, and
supplementary modules to the core Cultural  Formulation Interview are also included
online at www.psychiatry.org/dsm5.
These innovations were designed by the leadin g authorities on mental disorders in the
world and were implemented on the basis of their expert review, public commentary, and
independent peer review. The 13 work group s, under the direction of the DSM-5 Task
Force, in conjunction with other review bodi es and, eventually, the APA Board of Trust-
ees, collectively represent the gl obal expertise of the specialty. This effort was supported
by an extensive base of advisors and by the professional staff of the APA Division of Re-
search; the names of everyone involved are to o numerous to mention here but are listed in
the Appendix. We owe tremendous thanks to  those who devoted countless hours and in-
valuable expertise to this effort to improve the diagno sis of mental disorders. 
We would especially like to acknowledge th e chairs, text coordinators, and members of
the 13 work groups, listed in the front of th e manual, who spent many hours in this vol-
unteer effort to improve the scientific basis of  clinical practice over a sustained 6-year pe-