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.

Input: Consider Input: In accordance , calcium bioavailability in adolescents did not vary between the diets ( % WD = 40.4 +/- 5.1 , BD % = 38.2 +/- 3.6 ) .

Output: not found


Input: Consider Input: A greater proportion of children in the ASD group used special educational services ( 76 % vs. 7 % in the control group , P < .05 ) .

Output: not found


Input: Consider Input: Mean change of quantitative muscle strength testing sum scores was the primary study outcome measure .


Output: not found