Genetic data
A total of 206 blood-derived DNA samples were obtained from the participants and assayed on the Illumina Global Screening Array BeadChip (Illumina, San Diego, CA). Due to subsequent quality checks one individual was excluded due to a low call rate (<98%). Next, 29 ancestry outliers were removed after principal component analysis. Additionally, one individual of a genetically related pair (PI-HAT > 0.2) was removed at random. After exclusion, genotypes of 175 individuals were imputed using the publicly available HRC reference panel release 1.1 [