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: Social skills improvement in children with high-functioning autism : a pilot randomized controlled trial .

A: children with high-functioning autism
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Q: Use of health care facilities was assessed from diaries/questionnaires and Medicare reimbursement rates used to estimate costs .

A: not found
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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
****