1. UCL Great Ormond Street Institute of Child Health, University College London, London, United Kingdom
2. Whittington Health NHS Trust, London, United Kingdom
3. School of Medical Education, King’s College London GKT, London, United Kingdom
4. Institute of Medical and Biomedical Education, St George's, University of London, Cranmer Terrace, London, United Kingdom
5. UCL Institute of Epidemiology and Health Care, University College London, London, United Kingdom
6. Aceso Global Health Consultants Limited, London, United Kingdom