1. Department of Conservative Dentistry; Translational Health Economics Group (THE Group); Heidelberg University; Heidelberg Germany
2. Munich Center for the Economics of Aging; Max-Planck-Institute for Social Law and Social Policy; Munich Germany
3. Schumpeter School of Business and Economics; University of Wuppertal; Wuppertal Germany
4. Department of Epidemiology and Public Health; University College London; London United Kingdom