57
The mean levels in the study in Germany were 20 . 71 pg TEQ / g lipid and in the U . S . the median levels were 19 . 1 pg TEQ / g lipid for community residents and 21 . 2 pg TEQ / g lipid for low exposure workers .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 None