In the 1960s, Drs. Peter Dyck and Edward Lambert began repeatedly modifying this classification. The name HMSN is more commonly seen in European journal articles. The medical understanding of diseases is constantly changing. The names themselves change as does the classification schemes.
Different communities can have different names for the same disease.
Additional information can bring further subtyping, or combine what was previously thought of as different diseases. If information is needed about a disease, it is important to know the history in order to find all relevant documents, and to discard irrelevant documents. Dyck, P.J., Inherited neuronal Degeneration and Atrophy Affecting Peripheral Motor, Sensory, and Autonomic Neurons, Chapter 69 in Diseases of the Peripheral Nervous System, 1600-1665. Hosking, Gwilym, Peroneal Muscular Atrophy, Developmental Medicine and Child Neurology , 386-390, 1980.