“…To assess caregivers' QoL, psychological burden (in terms of anxiety, depressive symptoms, prolonged grief disorder, coping strategies and anger) and level of perceived social support, the following questionnaires were selected: The World Health Organization Quality of Life-Bref (WHO-QOL-BREF) (30,31); State Trait Anxiety Inventory-Y (STAI-Y) (32,33), Beck Depression Inventory (BDI-II) (34,35), Prolonged Grief Disorder Questionnaire (PG-12) (36,37), Coping Orientations to Problem Experiences (COPE) (38,39), State-Trait Anger Expression Inventory-2 (STAXI-2) (40,41) and the Medical Outcome Study Social Support Survey (MOS-SSS) (42,43).…”