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.

[Q]: Flosequinan evoked a significant increase in maximal exercise capacity .
[A]: not found


[Q]: To compare maintenance epoetin alfa administered once every 3 weeks with continued weekly epoetin alfa for patients with cancer-associated anemia .
[A]: patients with cancer-associated anemia


[Q]: We conclude that amonafide is somewhat active in previously untreated breast cancer patients .
[A]:
previously untreated breast cancer patients