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: fMRI data showed that , under placebo , ASD boys underactivated medial prefrontal cortex ( mPFC ) , compared with control and ADHD boys .

A: ASD boys, ADHD boys
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Q: Treatment group participants were better able to suggest appropriate emotion-management strategies for story characters at post-intervention than at pre-intervention , whereas control participants were not .

A: not found
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Q: A tendency towards increased plasma 6-keto-prostaglandin F1 alpha concentration and decreased serum thromboxane B2 concentration was found during the period of regular exercise , but prostaglandin E2 concentrations remained unchanged .

A:
not found
****