[1] Yale-New Haven Hospital,Center for Outcomes Research and Evaluation
[2] Yale School of Medicine,Section of Cardiovascular Medicine, Department of Internal Medicine
[3] University of Missouri Kansas City School of Medicine,Department of Internal Medicine
[4] Yale University,Harvey Cushing/John Hay Whitney Medical Library
[5] Texas A&M University,Department of Computer Science & Engineering
[6] Yale School of Public Health,Department of Health Policy and Management