HNRNPA1 and distal hereditary motor neuropathy: Up to now, there were 12 hnRNPA1 variants have been reported in a total of 35 patients from 13 families of different ethnic groups, among which manifested with distal myopathy, distal hereditary motor neuropathy, and different phenotypes of the MSP spectrum including ALS, inclusion body myopathy with early‐onset Paget disease.17, 21, 33, 34, 40, 41, 42