We would like to invite you to take part in the H4RT research study. Before you decide if you want to take part it is important for you to understand why the research is being done and what it will ...

Patient 6-12 yrs information sheet [PDF 64KB] - For patients 6-12 yrs old Patient 12-16 yrs information sheet [PDF 67KB] - For patients 12-16 yrs old Child family member 6-12yrs information sheet [PDF ...