Ian Casson1, Amy Hung2, Elizabeth Grier3, Sumaiya Karim4. 1. Associate Professor in the Department of Family Medicine at Queen's University in Kingston, Ont. 2. Resident in the third-year Family Medicine Developmental Disabilities Enhanced Skills Program in the Department of Family Medicine at Queen's University. 3. Assistant Professor in the Department of Family Medicine at Queen's University. 4. Master's student in the Faculty of Engineering at Queen's University.