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Our results delineate the clinical features of Pelizaeus - Merzbacher disease , define the possible molecular pathology of this dysmyelinating disorder , and address the molecular classification of inborn errors of myelin metabolism .
 Pelizaeus - Merzbacher disease, dysmyelinating disorder, inborn errors of myelin metabolism
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 Pelizaeus - Merzbacher disease, dysmyelinating disorder, inborn errors of myelin metabolism