Parents of Diseased Boy with Pitt-Hopkins Syndrome Hope to See Him Walk
Xander Williamson is among 600 people in the world, and merely 11 people in Australia, to have Pitt-Hopkins syndrome. His mother Melissa had no idea she would be returning from…
Xander Williamson is among 600 people in the world, and merely 11 people in Australia, to have Pitt-Hopkins syndrome. His mother Melissa had no idea she would be returning from…