Godino JG, Appel LJ, Gross AL, Schrack JA, Parrinello CM, Kalyani RR, Windham BG, Pankow JS, Kritchevsky SB, Bandeen-Roche K, Selvin E. Diabetes, hyperglycemia, and the burden of functional disability among older adults in a community-based study. J Diabetes. 2017 Jan; 9(1):76-84.