“…A plethora of empirical studies showed that informal care is a major component of societal costs in many chronic conditions such as stroke, multiple sclerosis, mental diseases (Anderson, 1988;Andersson et al, 2003;Clark et al, 2001;Hickenbottom et al, 2002;Kerr and Smith, 2001;Lanska, 2002;Nordberg et al, 2005;Wimo et al, 2002). Contributions from other disciplines investigated physical and psychological health, and social wellbeing of caregivers (Jaracz et al, 2012;Simon et al, 2009;van Campen et al, 2012).…”