. . . . "1.5%" . "5.5%" . "0.6%" . "1.8%" . "1.1%" . "0.006" . "0.055" . "0.011" . "0.018" . "0.015" . "0.006" . "0.055" . "0.011" . "0.018" . "0.015" . "placebo" .