Proposed Diagnostic Criteria for Cerebral Autosomal-Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy 1. Probable cerebral autosomal-dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL): a. Young age at onset (≤50 years of age). b. At least two of the following: i. Clinical stroke-like episodes with permanent neurological signs. ii. Migraine. iii. Major mood…