title: Letter to the Editor.
authors.affiliation: Muir Maxwell Epilepsy Centre, University of Edinburgh, Sylvan Place, EH9 1UW, UK; Child Life and Health, University of Edinburgh, Sylvan Place, EH9 1UW, UK. Electronic address: s0678667@sms.ed.ac.uk.
authors.forename: Rebecca
authors.initials: R
authors.lastname: Black
authors.affiliation: Muir Maxwell Epilepsy Centre, University of Edinburgh, Sylvan Place, EH9 1UW, UK; Child Life and Health, University of Edinburgh, Sylvan Place, EH9 1UW, UK.
authors.forename: Richard F M
authors.initials: RF
authors.lastname: Chin