1. (Deceased) BMA House; London UK
2. c/o Cochrane Acute Respiratory Infections Group; Bond University; Gold Coast Australia
3. Research Division; Royal College of Paediatrics and Child Health; London UK
4. BMJ Publishing; London UK
5. Department of Paediatrics A&E; St Mary's Hospital; London UK
6. Department of Paediatrics; Institute of Child Health; London UK
7. Paediatric Cardiology; The Hospital for Sick Children; Toronto Canada
8. Department of Paediatric Cardiology; Bristol Royal Hospital for Children; Bristol UK
9. London UK