PerthNow | Perth Children's Hospital: Willetton twins ready to move from PMH PerthNow NINE-year-old twins Chelsey and Addison Vicario are all too familiar with hospital visits after they were diagnosed with an extremely rare and debilitating metabolic disorder soon after birth. Not surprisingly, they're “sick and tired” of Princess ... Perth Children's Hospital finally opens after three years of contamination and disease scares Perth Children's Hospital officially opens its doors Perth Children's Hospital finally opens |