37 Using Archetypes to Design Services for High Users of Healthcare COMMENTARY Samuel Vaillancourt, MD CM,MPH, FRCP(C) Department of Emergency Medicine and Li Ka Shing Knowledge Institute St. Michael’s Hospital, Toronto, ON Ilan Shahin, MD, MBA Fellow,฀Incubator@WIHV,฀Women’s฀College฀Hospital฀Institute฀for฀Health฀Systems฀Solutions฀ and฀Virtual฀Care,฀Toronto,฀ON Payal Aggarwal, MD Fellow,฀Incubator@WIHV,฀Women’s฀College฀Hospital฀Institute฀for฀Health฀Systems฀Solutions฀ and฀Virtual฀Care,฀Toronto,฀ON Steve Pomedli, MD, MSc Fellow,฀Incubator@WIHV,฀Women’s฀College฀Hospital฀Institute฀for฀Health฀Systems฀Solutions฀ and฀Virtual฀Care,฀Toronto,฀ON Leigh Hayden, PhD Women’s฀College฀Hospital฀Institute฀for฀Health฀Systems฀Solutions฀and฀Virtual฀Care Toronto, ON Laura Pus, MBA Department฀of฀Medicine,฀Women’s฀College฀Hospital,฀Toronto,฀ON฀ Onil Bhattacharyya, MD, PhD Frigon฀Blau฀Chair฀in฀Family฀Medicine฀Research฀Women’s฀College฀Hospital Associate Professor, Department of Family and Community Medicine Associate Professor, Institute of Health Policy Management and Evaluation University of Toronto Toronto, ON u