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: Results indicate that expressive language gains were greater for both treatment groups compared with the control group , and results could not be explained by differences in other interventions in which children participated .

A: not found
****
Q: Amonafide was given at 300 mg/m2/day i.v . for 5 days , and repeated at 21-day intervals for a maximum of four cycles .

A: not found
****
Q: 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 .

A:
not found
****