I am looking for a screening questionnaire for Intermittent Explosive Disorder (IED-SQ) that was developed by Coccaro et al. (2017): Article Development of a Screening Questionnaire for DSM-5 Intermitt...
This article outlines the development and validation of the measure. However, it does not state whether the screener is in the public domain and how one can obtain this measure to be used for clinical purposes. Any assistance with this would be greatly appreciated!