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.

Ex Input:
Effectiveness of hygienic-dietary recommendations as enhancers of antidepressant treatment in patients with depression : study protocol of a randomized controlled trial .

Ex Output:
patients with depression


Ex Input:
The response rate was 18 % , including one complete response .

Ex Output:
not found


Ex Input:
A physician intervention served the dual function of 1 ) providing an educational demonstration of anxiety in the primary care setting and 2 ) providing a reporting system for summarizing the anxiety symptom levels and functioning status of the patients enrolled in the study .

Ex Output:

not found