intergenerational relations 50+ population 1 Bangladesh 1 C4 complement 1 CHEK2 1 Cushing syndrome 1 Demography 1 ETS 1 Emigration and immigration 1 FRAP 1 Families 1 Families—Social aspects 1 Family 1 Germany 1 GnRH 1 Hashimoto’s disease 1 MALDI-MSI 1 MEN 1 Methodology of the Social Sciences 1 Migration 1 Moreland 1 NUTS-1 1 PM2.5 1 PURE 1 PURE study 1 Poland 1 Public health & preventive medicine 1 Rayleigh 1 Social groups 1 Social sciences 1