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After studying at several universities in Germany he was appointed at the chair of diplomacy ( history of international relations ) and was at the University of Ghent , then part of the Netherlands .
 Germany, University of Ghent
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Germany, University of Ghent