Adult onset global loss of the FTO gene alters body composition and metabolism in the mouse per McMurray, F, Church, C, Larder, R, Nicholson, G, Wells, S, Teboul, L, Tung, Y, Rimmington, D, Bosch, F, Jimenez, V, Yeo, G, O'Rahilly, S, Ashcroft, F, Coll, A, Cox, R