Risk / Molecular Epidemiology / Humans / Genetic Association Studies / Family Health / Public health systems and services research / Linkage Disequilibrium / Bias (Epidemiology) / Cross Sectional Studies / Case Control Studies / Cohort Studies / Public health systems and services research / Linkage Disequilibrium / Bias (Epidemiology) / Cross Sectional Studies / Case Control Studies / Cohort Studies