instruction:
In medical studies, treatments are tested within a group of study participants. You will be given a sentence of a study report in which your task is to list the phrases that give information about the participants of the study. You should list the phrases in the same order that they appear in the text, separated by commas. If no information about the participants is mentioned, just output "not found". Relevant information about participants include: gender, medical conditions, location, number of people participating. Do not contain participant mentions without relevant information.
question:
Accordingly , the current study examined within-person covariation between time-varying abstinence and depressive symptom in a multilevel model ( MLM ) , which allowed for transitions between smoking statuses within a participant .
answer:
not found


question:
There may be a steep dose-response curve , based on the significant correlation between myelosuppression and response .
answer:
not found


question:
We conclude that oral methotrexate did not slow down progression of muscle weakness but decreased serum creatine kinase activity .
answer:

not found