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Jack L. Paradise is a professor emeritus of pediatrics at University of Pittsburgh School of Medicine and a leading researcher of the placement of tympanostomy tube s in children with persistent otitis media .
 Jack, Paradise, University of Pittsburgh School of Medicine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jack, Paradise, University of Pittsburgh School of Medicine