Figure S1. Detailed sample description displayed in the internal GWAS Catalog curation interface. Figure S2. a Structured ancestry and recruitment information displayed in the internal GWAS Catalog curation interface. b GWAS Catalog ancestry and recruitment data entry page of internal curation interface. Supplementary Box 1. Genomic methods of ancestry determination. Figure S3. Distribution of studies by ancestry category focused on Catalog traits with highest number of studies in the Catalog. Figure S4. Methods of ancestry ascertainment used in a subset of publications included in the GWAS Catalog. Supplementary References. (DOCX 893 kb