Browsing School of Electronic Engineering and Computer Science by Author "This is a pre-copyedited, author-produced version of an article accepted for publication in Software Engineering in Health Care, Proceedings of the 4th Symposium on Foundations of Health Information Engineering and Systems (FHIES) and the 6th International Workshop on Software Engineering in Healthcare (SEHC) following peer review. The version of record is available http://www.chi-med.ac.uk/publicdocs/WP241.pdf"