George Demiris Stuart M. Speedie Stanley M. Finkelstein The nature of communication in virtual home care visits. 2001 AMIA https://knowledge.amia.org/amia-55142-a2001a-1.597057/t-001-1.599654/f-001-1.599655/a-027-1.600056/a-028-1.600053 conf/amia/2001 db/conf/amia/amia2001.html#DemirisSF01