MPZ and hereditary neuropathy with liability to pressure palsies: Among the genetically defined cases, CMT1A (PMP22) emerged as the most prevalent subtype, comprising 55% of the cases, followed by CMTX1 (GJB1; 15.2%), hereditary neuropathy with liability to pressure palsy (HNPP; 9.2%), CMT1B (myelin protein zero (MPZ); 8.5%), and CMT2A (MFN2; 4%) [7].