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: In each group 26 patients were available for evaluation .

A: each group 26 patients
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Q: There were no significant differences in serum levels of cholesterol , total protein , lactate dehydrogenase , aspartate aminotransferase , alanine aminotransferase , Na⁺ , Cl⁻ , K⁺ , and Ca²⁺ .

A: not found
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Q: Attention deficit hyperactivity disorder ( ADHD ) and autism spectrum disorder ( ASD ) share brain function abnormalities during cognitive flexibility .

A:
not found
****