A total of @ patients ( seven were women ) with T@D ( age of @ ( @-@ ) years ( mean and range ) , BMI of @ ( @-@ @ ) kg/m ( @ ) , HbA@c of @ ( @-@ @ ) % ( @ ( @-@ ) mmol/mol ) , T@D duration of @ ( @-@ ) years ) were studied using a randomized , three-period crossover design .