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From March 2003 to October 2009 , Sreenivasan held the post of director at the International Centre for Theoretical Physics ( ICTP ) , Trieste , Italy ; he was also the Abdus Salam Honorary Professor .
 Sreenivasan, International Centre for Theoretical Physics, Trieste , Italy, Abdus Salam
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sreenivasan, International Centre for Theoretical Physics, Trieste , Italy, Abdus Salam