Great Ormond Street Hospital with water on the brain (hydrocephalus), and non-invasive (percutaneous) heart valve replacements. They did the first UK clinical trials of the rubella vaccine, and the first bone marrow transplant and gene therapy for severe combined immunodeficiency. It is closely associated with University College London (UCL) and in partnership with the UCL Great Ormond Street Institute of Child Health, which is adjacent to it, is the largest centre for research and postgraduate teaching in children's health in Europe. In 1929, J. M. Barrie donated the copyright to "Peter Pan" to the hospital. After a long campaign by Dr. Charles West, the
St Christopher's Chapel, Great Ormond Street Hospital rear of the chapel is a row of teddy bears and other soft toys, provided by families of ill children, known as the Teddy Bear Choir. In addition, the chapel has a prayer tree where messages of hope and support can be written for sick children at the hospital, and placed on the tree. The chapel has been described as of the Franco-Italianate style and was influenced by the Renaissance Revival. The chapel "is divided by four columns, and has a central dome, with an apse at the east end". The terrazzo floor was designed by Antonio Salviati, an Italian