The Map03MS data have 219 European American (EA), 35 African American (AA) and eight mixed families. 2,283 individuals from these 262 families were genotyped on 328 microsatellite markers. The MarshfieldMS data contain 234 EA, 77 AA and one mixed families, with a total of 1,442 individuals genotyped on 394 microsatellite markers. 1,041,304 SNPs were genotyped for 1,399 EA and 485 AA individuals in the CIDRSNP GWAS. ( Tables 4 , 5 and 6 ).