Aerobic Training group (AT)
Classes were led by certified fitness instructors, were 60-min in duration (10-min warm-up, 40-min walking, 10-min cool down), and occurred 3×/week for 6 months. Adherence was monitored by recording class attendance. The AT intensity was monitored via heart rate monitors as well as the 20-point Borg Rating of Perceived Exertion [