1. National Institute for Health and Clinical Excellence (NICE); Centre for Clinical Practice; 10 Spring Gardens London UK SW1A 2BU
2. Ahmadu Bello University Teaching Hospital; Internal Medicine; Shika Zaria Kaduna State Nigeria P.M.B. 06
3. Centre for Heath Technology Evaluation,National Institute for Health and Clinical Excellence; Level 1A, City Tower Piccadilly Plaza Manchester UK M1 4BT
4. Imperial College London; School of Medicine; South Kensington Campus London UK SW7 2AZ
5. Save The Youth Initiative; PO Box 3951 Kaduna North Kaduna Nigeria
6. University of Warwick; Division of Health Sciences; Coventry UK CV4 7AL
7. Children's Day Hospital; Department of Paediatric Oncology & Haematology; St James University Hospital Beckett Street Leeds UK LS9 7TF