TNFSF15 and primary biliary cholangitis: We selected several previously-published GWAS datasets for fine-mapping analysis of the TNFSF15 locus: two studies of leprosy in Chinese ethnicity populations (totalling 9,619 cases and 12,896 controls)14, 15, two studies of CD in Korean ethnicity populations (totalling 1,575 cases and 3,013 controls)10, 11, and a study of PBC in a Japanese ethnicity population (1,594 cases and 1,529 controls)9.