COL5A1 and Marfan syndrome: Genetic analysis was negative forthe examined 25 genes causing Marfan syndrome and other thoracic AA and aortic dissectionrelated-syndromes as well as Ehlers–Danlos syndrome: ACTA2, CBS, COL1A1, COL1A2, COL3A1,COL5A1, COL5A1, EFEMP2, FBN1, FLNA, MAT2A, MFAP5, MYH11, MYLK, NOTCH1, PLOD1, PRKG1, SKI,SLC2A10, SMAD3, TGFB2, TGFB3, TGFBR1, TGFBR2, TNXB.