Pokharel Y, Basra S, Lincoln AE, Tucker AM, Nambi V, Nasir K, Vogel RA, Wong ND, Boone JL, Roberts AJ, Ballantyne CM, Virani SS. Association of body mass index and waist circumference with subclinical atherosclerosis in retired NFL players. South Med J. 2014 Oct; 107(10):633-9.