Effect of weight loss with lifestyle intervention on risk of diabetes - Hamman, R F; Wing, R R; Edelstein, S L; Lachin, J M; Bray, G A; Delahanty, L; Hoskin, M; Kriska, A M; Mayer-Davis, E J; Pi-Sunyer, X; Regensteiner, J; Venditti, B; Wylie-Rosett, J (Diabetes Care, 2006)