"we realized early that this therapy had worked," corinna said of the sweat tests that doctors conducted after her twins, linus and maarten, were born..
twins linus, left, and maarten have more sweat glands and tooth precursors than their older brother joshua, 5, after being treated with a drug in utero..
"we were fully aware of the fact that our twins would be the first babies in the world to receive this treatment in utero," corinna said..