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: Differences between groups for use of community healthcare resources , return to usual work/home/leisure activities and satisfaction with their EECU care were small and not significant .

A: not found
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Q: For children beginning treatment with the lowest language levels , the JA intervention improved language outcome significantly more than did the SP or control interventions .

A: children beginning treatment with the lowest language levels
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Q: To consider the impact on primary care patient outcomes of using both a screener to determine elevated anxiety levels among patients with previously undetected anxiety and a physician intervention to inform physicians of their patients ' conditions .

A:
patients with previously undetected anxiety
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