1. Centre for Health Economics and Medicines Evaluation Bangor University BangorUK
2. South East Wales Trials Unit Cardiff University CardiffUK
3. School of Healthcare Sciences Cardiff University Cardiff UK
4. Department of Biobehavioral Sciences Columbia University New York NY USA
5. Oxford Institute of Nursing and Allied Health Research Oxford Brookes University Oxford UK
6. Cardiff Brain Repair Group Schools of Medicine and Biosciences Cardiff University Cardiff UK