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McGowan has represented Australia at U-17 , U-20 , U-23 and at full international level .
 McGowan, Australia, U-17, U-20, U-23, full international
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 McGowan, Australia, U-17, U-20, U-23, full international