BCR and Charcot-Marie-Tooth disease type 3: The proportion of cloned BCR (clone size of two or more) was higher in the patients from the NMOSD group than in those from the other groups (36.4% in NMOSD vs. 20.3% in MOGAD vs. 21.0% in DSN vs. 14.1% in HC) (Fig. 2A).