1. Institute of Health Sciences, School of Health Professions, Zurich University of Applied Sciences, Winterthur, Switzerland
2. National Centre of Competence in Research, Centre for the Interdisciplinary Study of Gerontology and Vulnerability, University of Geneva, Winterthur, Switzerland
3. Instituto de Sociología & Departamento de Salud Pública, Pontificia Universidad Católica de Chile, Santiago, Chile
4. Millennium Nucleus for the Study of the Life Course and Vulnerability (MLIV), Santiago, Chile