6910
The secretion levels of interleukin-6 ( IL-6 ) and von Willebrand factor ( vWF ) were determined, to serve as markers for EC activation .
 protein: interleukin-6; protein: IL-6
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: interleukin-6, IL-6 
Answer:
 protein: interleukin-6; protein: IL-6