In health economic studies, valid and reliable cost data are essential to reach meaningful conclusions. In the case of multiple sclerosis (MS), such studies are often based on primary data for which the underlying survey instruments have not been published. In addition, heterogeneous methods make the comparability and interpretation of such study…[Read more]

Our findings suggest that C9orf72 intermediate repeat units may represent a genetic risk factor, contributing to the occurrence of AD. Nevertheless, further longitudinal studies, including larger cohort of subjects with intermediate alleles with long-term follow-up, would be needed to confirm these results.

Our findings suggest that C9orf72…[Read more]