778
To investigate whether a founder chromosome for the DM mutation exists in the Japanese population , we genotyped families using polymorphic markers near the ( CTG ) n repeat region and constructed haplotypes .
 Disease: DM
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
Answer:
 Disease: DM