Penny McDougall Senior sister, Paediatric Unit, Queen Alexandra Hospital, Portsmouth. Maureen Harrison Senior lecturer, Faculty of Health Sciences, University of Southampton. Correspondence to: penelope.mcdougall@porthosp.nhs.uk
Penny McDougallSenior sister, Paediatric Unit, Queen Alexandra Hospital, Portsmouth.Maureen HarrisonSenior lecturer, Faculty of Health Sciences, University of Southampton.Correspondence to: penelope.mcdougall@porthosp.nhs.uk