Prediction of adult class II/III obesity from childhood BMI: the i3C consortium by Woo, JG, Zhang, N, Fenchel, M, Jacobs, DR, Hu, T, Urbina, EM, Burns, TL, Raitakari, O, Steinberger, J, Bazzano, L, Prineas, RJ, Jaquish, C, Juonala, M, Ryder, JR, Daniels, SR, Sinaiko, A, Dwyer, T, Venn, A