Based on epidemiological data, we know that one of the causes, or one of the associations, I should say, is advanced paternal age, that is, increasing age of the father at the time of conception.
Bazuar ne te dhena epidemiologjike, dime qe nje prej shkaqeve, ose nje nga asocimet, mund te them, eshte mosha e madhe e babait, qe do te thote rritja e moshes se babait ne momentin e konceptimit.