ومع ذلك، فإن متوسط فترة الحضانة للمرض هي 14 سنوات، وأبلغ عن حالات الاختفاء مع 40 عاما لاولئك الذين كانوا أكثر مرونة وراثيا.
However, the mean incubation period of the disease is 14 years, and cases were reported with latencies of 40 years or more for those who were most genetically resilient, continuing to appear for several more decades.