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]: To consider the impact on primary care patient outcomes of using both a screener to determine elevated anxiety levels among patients with previously undetected anxiety and a physician intervention to inform physicians of their patients ' conditions .
[EX A]: patients with previously undetected anxiety

[EX Q]: The influence of injections of Amidotrizoate and Iopromide into the left coronary artery on global myocardial perfusion and function ( pressures in the left ventricle , heart rate ) as well as excitation formation and transmission was studied in 16 patients with ischaemic heart disease .
[EX A]: 16 patients with ischaemic heart disease

[EX Q]: Women who also exercised had additional increases in BMD at the femoral neck ( +0.29 % ) , total hip ( +0.34 % ) , spine ( +0.23 % ) , total radius ( +0.30 % ) , and additional decreases in Alkphase B ( -2.4 % ) and Serum NTx ( -6.5 % ) .
[EX A]:
not found