(1) Increased frequency of threats of violence and traumas – The Guardian April 2016, Business Insider November 2017.

(2) see white paper by from Optum on Crisis in the Workplace, Levine, October 2017 and Impact of Organizational Trauma on Workplace Behavior and Performance edited by Háša, Stanislav, Brunet-Thornton, Richard, 2017.

(3) & (4) – Global mental health and trauma: the current evidence and the long road ahead, Purgato & Ollf, November 2015.