5285
Finally , Japanese and Caucasian subjects affected with MJD share haplotypes at several markers surrounding the MJD1 gene , which are uncommon in the normal Japanese and Caucasian population , and which suggests the existence either of common founders in these populations or of chromosomes susceptible to pathologic expansion of the CAG repeat in the MJD1 gene .
 Disease: MJD
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Disease 
Text: {0} 
 Entities: MJD 
Answer:
 Disease: MJD