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Intriguingly enough , the identified gene region overlaps the refined gene region for Cohen syndrome ( COH1 ) [ Kolehmainen et al . , 1997 Euro J Hum Genet 5 206 - 213 ] .
 Cohen syndrome
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease 
Text: {0} 
Answer:
 Cohen syndrome