title: Commentary.
authors.affiliation: Reader Medical Education. s.nicholson@qmul.ac.uk.
authors.forename: Sandra
authors.initials: S
authors.lastname: Nicholson
authors.affiliation: Senior Lecturer in Medical Sociology, Institute of Health Science Education, Barts and the London, Queen Mary University of London, UK.
authors.forename: Moira
authors.initials: M
authors.lastname: Kelly