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.

Example Input: The upper 95 % CL for the differences in positive cultures between the antibiotics was 4.9 % at days 3-6 , 6.5 % at days 12-16 and 8.5 % at days 26-36 .
Example Output: not found

Example Input: High-functioning autism ( HFA ) is characterized by persistent impairment in social interaction despite the absence of mental retardation .
Example Output: not found

Example Input: We performed a randomized , controlled study comparing the prophylactic effects of capsule forms of fluconazole ( n = 110 ) and itraconazole ( n = 108 ) in patients with acute myeloid leukemia ( AML ) or myelodysplastic syndromes ( MDS ) during and after chemotherapy .
Example Output:
patients with acute myeloid leukemia ( AML ) or myelodysplastic syndromes ( MDS ) during and after chemotherapy