Subject Country of Origin Mutations a DNA Protein State Father/Mother SNP Frequency b S1c Italy c.235C>T p.Arg79∗ homo F&M hetc Ø S2c Italy c.235C>T p.Arg79∗ homo F&M het Ø S3 Turkey c.163−1G>A Ex2 skipping;p.Val55_Lys120del homo NA Ø S4 Morocco Ex3 deletion Ex3 deletion;p.Glu121Valfs∗6 homo NA NA S5 Oman c.353T>C p.Phe118Ser homo F&M het Ø S6 Italy c.235C>T p.Arg79∗ het M het Ø c.370_372del p.Glu124del het F het Ø