TASK DEFINITION: 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.
PROBLEM: Identifying patients at high risk for neutropenic complications during chemotherapy for metastatic breast cancer with doxorubicin or pegylated liposomal doxorubicin : the development of a prediction model .

SOLUTION: patients at high risk for neutropenic complications during chemotherapy for metastatic breast cancer

PROBLEM: The addition of chronic vasodilator therapy with flosequinan to standard digitalis-diuretic regimens is capable of inducing clinical improvement in patients with moderate to severe chronic heart failure .

SOLUTION: patients with moderate to severe chronic heart failure

PROBLEM: In adjusted analyses , parents who reported that their child had ASD did not have significantly higher out-of-pocket costs or spend more time on caregiving activities compared with control parents .

SOLUTION:
parents who reported that their child had ASD