3261
We invited SARS survivors from the same hospitals ( non - health care workers , n = 63 ; health care workers , n = 33 ) to complete the PSS - 10 again in 2004 .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities:  
Answer:
 None