“…Caregiver burden is a subjective feeling of stress that occurs when the demands of caregiving overwhelm caregiver resources to cope with those demands [2,3]. Patient factors (such as advanced cancer stage [4], health status [5], increased symptom burden, and decreased quality of life [QOL] [6][7][8]), caregiver factors (such as female gender [6,7,[9][10][11], age [5,10,[12][13][14], comorbidity [5], relationship to patient [15], education [14], and employment status [10]), and caregiving characteristics (such as increased duration of caregiving [7] and more help required by the patient [6,10,14]) are associated with increased caregiver burden. This information is typically obtained from patients or their caregivers.…”