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.

Example Input: Observed medication and weekend diary cards were used to monitor adherence .
Example Output: not found

Example Input: The study aimed to investigate the effectiveness of a new multi-component social skills intervention for children with Asperger syndrome ( AS ) : The Junior Detective Training Program .
Example Output: children with Asperger syndrome ( AS

Example Input: Thus , this study investigates shared and disorder-specific brain dysfunctions in these 2 disorders during reward reversal , and the acute effects of an SSRI on these .
Example Output:
not found