n = 5 per sex per treatment (20 mice): power 55.6% n = 6 per sex per treatment (24 mice): power 64.5% n = 7 per sex per treatment (28 mice): power 71.9% n = 8 per sex per treatment (32 mice): power 77.9% n = 9 per sex per treatment (36 mice): power 82.9% n = 10 per sex per treatment (40 mice): power 86.8% n = 11 per sex per treatment (44 mice): power 89.9% n = 12 per sex per treatment (48 mice): power 92.3%