Narrow WE, Clarke DE, Kuramoto SJ, Kraemer HC, Kupfer DJ, Greiner L, Regier DA. DSM-5 field trials in the United States and Canada, Part III:
development and reliability testing of a cross-cutting symptom assessment for DSM-5. Am J Psychiatry 2013;170:71-82.
PROMIS Health Organization (PHO) and PROMIS Cooperative
Group