21807
Risk factors for ADR included young age ( < 1 year ) , Pediatric Risk of Mortality ( PRISM ) score upon admission >= 3 , and administration of >= 16 medications .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None