1. Kroll LE, Lampert T: Unemployment, social support and health problems—results of the GEDA study in Germany, 2009. Dtsch Arztebl Int 2011; 108(4): 47–52.
2. Grobe TG, Schwartz FW: Arbeitslosigkeit und Gesundheit. Gesundheitsberichterstattung des Bundes. 2003; Heft 13. Berlin: Robert Koch-Institut.
3. Christensen U, Kriegbaum M, Hougaard CO, Mortensen OS, Diderichsen F: Contextual factors and social consequences of incident disease. Eur J Public Health 2008; 18: 454–9.
4. Varekamp I, van Dijk FJ: Workplace problems and solutions for employees with chronic diseases. Occup Med 2010; 60: 287–93.
5. Wynne R, McAnaney D: Employment and disability: Back to work strategies Report. In: European Foundation for the Improvement of Living and Working Conditions. Dublin; 2005.