9115
It was described by József Mátyás Baló who initially named it " leuko-encephalitis periaxialis concentrica " from the previous definition , and it is currently considered one of the borderline forms of multiple sclerosis .
 person: József Mátyás Baló
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: József Mátyás Baló