preferred_name: Charcot-Marie-Tooth disease, axonal, autosomal recessive, type 2a2b;
preferred_name_lc: charcot-marie-tooth disease, axonal, autosomal recessive, type 2a2b;
label: severe early-onset axonal neuropathy due to MFN2 deficiency
label_lc: severe early-onset axonal neuropathy due to mfn2 deficiency