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.

However , this approach can not account for potential third variables between participants that may affect both smoking and depression .
not found

During the course of therapy , a modest improvement in the symptom scores and functional classification of the flosequinan-treated patients was observed .
not found

The use of this model may enhance patient care by targeting preventative therapies ( eg , granulocyte colony stimulating factor or PLD ) to those MBC patients most likely to experience NC during anthracycline-based chemotherapy .

MBC patients