instruction:
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.
question:
This study examined whether 24 months of weight training exercises enhanced the effectiveness of risedronate , calcium , and vitamin D in maintaining or improving bone mineral density ( BMD ) in 223 postmenopausal breast cancer survivors .
answer:
223 postmenopausal breast cancer survivors


question:
A physiotherapy service for EECU patients , as provided in this study , did not reduce the rate of hospital admission , rate of re-presentation to the ED , use of community healthcare resources , or improve the rate of return to usual work/home/leisure activities or patient satisfaction .
answer:
EECU patients


question:
Interventions were conducted 30 min daily for 5-6 weeks .
answer:

not found