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: A physiotherapy service to an emergency extended care unit does not decrease admission rates to hospital : a randomised trial .

Output: not found


Input: Consider Input: Risk factors retained in the model included poor performance status , absolute neutrophil count < or =2.0 x 10 ( 9 ) cells/L in the previous cycle , the first cycle of chemotherapy , DOX versus PLD and advanced age .

Output: not found


Input: Consider Input: Chronic vasodilator therapy with flosequinan in congestive heart failure .


Output: congestive heart failure


