tokens: Relative levels were then correlated with a series of clinical variables including response to therapy , performance status , survival , disease sites , age , and others .
folded_tokens: relative levels were then correlated with a series of clinical variables including response to therapy , performance status , survival , disease sites , age , and others .
labels: O O O O O O O O O O O O B-other_name I-other_name I-other_name O B-other_name I-other_name O O O B-other_name I-other_name O O O O O O