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Cases included elderly patients > 64 years old who had experienced their first ischemic stroke ( International Classification of Disease , Tenth Revision ( ICD - 10 ) , I63 ) hospitalization from July 2005 to June 2006 and who had been without prior cerebrovascular diseases ( ICD - 10 , I60 - I69 ) , or transient ischemic attack ( ICD - 10 , G45 ) .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None