My study is entitled "Depression, Anxiety and Trauma symptoms among parents of childhood cancer survivors – prevalence, risk factors and assessment of psychological intervention". The goal of this study is to identify the prevalence, the characteristics and the risk factors of depression, anxiety or PTSS level of parents of children and adolescent cancer survivors, along with the resilience factors. Furthermore, we will try to established a psychological intervention using the Narrative Reconstruction therapy for this population, in order to reduce their trauma, anxiety and depression symptoms.