P3.6 AGE-DEPENDENT DIFFERENCES IN CAROTID ARTERY CIRCUMFERENTIAL STRAIN MEASUREMENTS, INDEPENDENT OF BLOOD PRESSURE, AEROBIC FITNESS CAPACITY, GENDER AND CONVENTIONAL NON-INVASIVE PARAMETERS OF VASCULAR STIFFNESS - A. Rosenberg; A. Lane; R. Kappus; T. Wee; T. Baynard; B. Fernhall (Artery Research, 2014)