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:
Group 1 received a weekly session of posterior tibial nerve stimulation for 12 weeks and group 2 was the placebo group .
answer:
not found


question:
A randomised trial with concealed allocation , assessor blinding and intention-to-treat analysis was undertaken in an EECU .
answer:
not found


question:
Data analyzed was from a phase III , randomized clinical trial of DOX ( 60 mg/m ( 2 ) every 3 weeks ) or PLD ( 50 mg/m ( 2 ) every 4 weeks ) for the first line therapy for MBC ( n = 509 ) ( O'Brien et al , Ann Oncol .
answer:

not found


