470
Mutations of the ATM gene detected in Japanese ataxia - telangiectasia patients : possible preponderance of the two founder mutations 4612del165 and 7883del5 .
 Disease: ataxia - telangiectasia
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: ataxia - telangiectasia