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He also completed a master of public health at the University of Texas Medical Branch in 2007 and a residency in aerospace medicine in 2008 .
 University of Texas Medical Branch
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 University of Texas Medical Branch