DAB1 and spinocerebellar ataxia type 37: Also, for the three unrelated individuals with rare intronic TREs in DAB1 (Supplementary Table S3), encoding a reelin adaptor protein, we confirmed the sizes of expanded ATTTT repeats (Supplementary Fig. S5), which are comparable to rare TREs reported by others at this locus for spinocerebellar ataxia type 37 [21].