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The Human Microbiome Project ( HMP ) is a United States National Institutes of Health initiative with the goal of identifying and characterizing the microorganisms which are found in association with both healthy and diseased humans ( the Human microbiome ) .
 National Institutes of Health
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 National Institutes of Health