Mark Weitzel Andy Smith Duckki Lee Scott de Deugd Sumi Helal Participatory Medicine: Leveraging Social Networks in Telehealth Solutions. 40-47 2009 ICOST http://dx.doi.org/10.1007/978-3-642-02868-7_6 conf/icost/2009 db/conf/icost/icost2009.html#WeitzelSLDH09