“…There has been growing evidence demonstrating that as a complex chronic condition, the quality of life in young people with GTS is reduced when compared with healthy control populations (Cavanna, David, Orth, & Robertson, 2012). It also appears that GTS can have a significant effect on relatives of the patients, especially parents, as raising a child with a developmental disorder is considered a stressful experience (Evans, Wittkowski, Butler, Hedderly, & Bunton, 2015;Lee, Chen, Wang, & Chen, 2007). Several studies have been conducted on parental stress as well as adjustment and coping strategies in families having a child with special needs such as a chronic illness or psychiatric disorders (Crnic & Greenberg, 1990;Hanson & Hanline, 1990;Willingham-Storr, 2014).…”