“…For this reason, 21 questions were formulated on a Likert scale: 0=Did not apply to me at all, 1=Applied to me to a certain extent, or for a short time, 2=Applied to me to a particular extent, or for a long time, 3=Applies to me very much, or most of the time. The questions assess the level of depression (questions 3,5,10,13,16,17,21), the level of stress (questions 1,6,8,11,12,14,18), and the stress level (questions 2,4,7,9,15,19,20) of informal caregivers of patients with chronic diseases. The questions were based on the DASS-21 scale of Lovibond and Lovibond 11 translated into Greek by Lyrakos et al 12…”