27315
METHODS : A cohort of individuals without established cardiovascular disease ( CVD ) or diabetes initiating preventive statin therapy during 2002 - 2005 was followed in the individual - level Danish registries for 4 years or until censoring events ( death , emigration , CVD or diabetes ) .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None