Sophie and Mike Howes from Wiltshire, are joining calls to have spinal muscular atrophy (SMA) added to the newborn blood tests so that children like Anouk, six, can be diagnosed earlier. Sophie and Mike Howes from Wiltshire, are joining calls to have spinal muscular atrophy (SMA) added to the newborn blood tests so that children like Anouk, six, can be diagnosed earlier.