1. Office of the Assistant Secretary for Planning & Evaluation, US Department of Health & Human Services, 200 Independence Ave SW, Washington, DC 20201, USA
2. Office of the National Coordinator for Health Information Technology, US Department of Health & Human Services, 200 Independence Ave SW, Washington, DC 20201, USA
3. AMIA, 4720 Montgomery Lane, Suite 500, Bethesda, MD 20814, USA, previously Office of the National Coordinator for Health Information Technology