Due to a lack of robust evidence, we could not determine the benefits and unwanted effects of hospital networks (organised trauma systems) or individual hospitals (designated trauma centres) that are ...

Larger studies looking at the benefits and harms of anti-TNF compared with conventional treatment for children with active Crohn's disease are needed. Among the important outcomes to be included are ...

Large studies are needed to see if targeted therapies work in the different types of IIM. As IIM is rare, this would best be done by many centres working together internationally.