Higher exercise adherence was achieved by breast cancer patients in Vancouver ( p < 0.001 ) , with fewer endocrine symptoms ( p = 0.009 ) , randomized to STAN ( p = 0.009 ) , with fewer exercise limitations ( p = 0.009 ) , receiving shorter chemotherapy protocols ( p = 0.015 ) , and with higher VO2peak ( p = 0.017 ) .