1. Department of Public Health Sciences, Clemson University, Clemson, SC, USA
2. Department of Health Administration and Policy, George Mason University, Fairfax, VA, USA
3. School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX, USA
4. Indiana University and Regenstrief Institute, Indianapolis, IN, USA
5. General Practitioner/Independent Consultant, Cumbria, UK
6. High Mark Blue Cross Blue Shield, PA, USA
7. Aalborg University, Aalborg, Denmark
8. Norwegian University of Science and Technology, Trondheim, Norway
9. School of Computing, Clemson University, Clemson, SC, USA