Genotyping was performed for SNP rs2236410 (LB-MR1-1R), rs751019 (LB-PTK2B-1T), rs12692566 (LB-LY75-1K), and rs2236225 (LB-MTHFD1-1Q) in 1400 patient and donor samples. Frequencies (%) of homozygous-positive (+/+), heterozygous (+/−), and homozygous-negative (−/−) samples are shown.