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]: Depression , functioning , perceived quality of care , utilization , and costs were secondary outcomes .
[A]: not found


[Q]: Limitations and suggestions for future research are discussed .
[A]: not found


[Q]: There is an increasing amount of evidence showing that physical activity and sun exposure are effective coadjuvant treatments for patients with mild to moderate depression .
[A]:
patients with mild to moderate depression