12063
Thus in this cohort of Chinese individuals , vitamin D deficiency is common and optimal vitamin D level is inversely associated with MetS , independent of several confounders and PTH level .
 Chemical: vitamin D; Chemical: vitamin D
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: vitamin D; Chemical: vitamin D