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Contributors HJ drafted the initial manuscript. SS and CK provided expert critique of the manuscript.
Competing interests HJ is a member of the London School of Paediatrics Trainees' Committee, Supporting Trainees subgroup. She is also trainee representative of the Royal College of Paediatrics and Child Health Recruitment Board. SS is a training programme director of the London Specialty School of Paediatrics. CK is head of the London Specialty School of Paediatrics and Child Health and a training programme director.
Provenance and peer review Commissioned; externally peer reviewed.