41004
Due to these concerns regarding prevalence rates of ADHD , the American Academy of Pediatrics ( AAP , 2000 ) and the National Institute of Health ( NIH , 1998 ) have stressed the need to develop new standardized , evidence-based assessments that have strong psychometric properties , and are easily administered in schools and other clinical settings .
 National Institute 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 Institute of Health