stress/burden
De Almeida Mello, J., Macq, J., Van Durme, T., Ces, S., Spruytte, N., Van Audenhove, C., Declercq, A. 2017. The determinants of informal caregivers' burden in the care of frail older persons: a dynamic and role-related perspective. Aging Ment Health. 21 (8) 838-843.