1306
Regional cerebral blood flow ( rCBF ) measurements and psychiatric ratings were performed on seven schizophrenic patients ( mean age = 41 . 4 years ) who had been examined 18 years previously in a study that used similar psychiatric ratings and a comparable rCBF technique .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None