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 Q]: The 2 groups were comparable in terms of age , sex , symptoms and ipsilateral glomerular filtration rate .
[EX A]: not found

[EX Q]: Children with parent-reported ASD had higher levels of health care office visits and prescription drug use compared with children without ASD ( P < .05 ) .
[EX A]: children without ASD

[EX Q]: 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 .
[EX A]:
children with Asperger syndrome ( AS