Table 1. Samples and SNPs.

	Before QC			After QC (1)			After QC (2)
Country	Cases	Controls	SNPs	Cases	Controls	SNPs	Cases	Controls	SNPs
FR	466	0	567,589	460	0	529,347	449	0	412,212
NL	286	1,637	574,856	269	1,560	423,769	264	1,559	412,212
GER	239	976	561,466	235	945	506,183	233	943	412,212
USA	280	808	476,964	262	796	452,558	232	750	412,212
UK	286	3,751	480,729	269	3,739	442,050	267	3,735	412,212
Total	1,557	7,172	-	1,495	7,040	-	1,445	6,987	412,212