Detailed Instructions: 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: This study examined whether ( 1 ) postmenopausal breast cancer survivors ( BCS ) with bone loss taking 24 months of risedronate , calcium , and vitamin D had increased bone mineral density ( BMD ) at the total hip , femoral neck , L1-L4 spine , total radius and 33 % radius , and decreased bone turnover ; ( 2 ) subjects who also participated in strength/weight training ( ST ) exercises had greater increases in BMD and greater decreases in bone turnover ; and ( 3 ) subjects who also exercised were more likely to preserve ( at least maintain ) BMD .
A:
postmenopausal breast cancer survivors ( BCS ) with bone loss