“…Exposure to potentially traumatic events (PTEs; i.e., exposure to actual or threatened death, serious injury, or sexual violence; American Psychiatric Association, 2013) is present worldwide among youth (Gunaratnam & Alisic, 2017;Kolaitis, 2017;Takada et al, 2018). For example, studies conducted in Europe show that 15% of Dutch primary school-aged children (Alisic et al, 2008), 56% of Swiss adolescents (Landolt, Schnyder, Maier, Schoenbucher, & Mohler-Kuo, 2013), and up to 79% of Icelandic adolescents (Bödvarsdóttir & Elklit, 2007), reported exposure to at least one traumatic event. In the USA, Copeland, Keeler, Angold, and Costello (2007) reported that more than two thirds of American children and adolescents had been exposed to one or more PTEs.…”