Resting energy expenditure and organ-tissue body composition 5 years after bariatric surgery by Heshka, S, Lemos, T, Astbury, N, Widen, E, Davidson, L, Goodpaster, B, Delany, J, Strain, G, Pomp, A, Couracoulas, A, Lin, S, Janumala, I, Yu, W, Kang, P, Thornton, J, Gallagher, D