(CDRH's) Division of Small Manufacturers Assistance, U.S. Food and Drug Administration. Dr. Greberman earned a bachelor's degree from the University of Pennsylvania, a medical degree from Hahnemann Medical College, and a M.P.H. from Johns Hopkins University. A radiologist, he has coordinated FDA/CDRH participation in national and international programs involving the development and adoption of communication standards for digital imaging with applications in teleradiology and picture archiving and communication systems. He works with organizations such as the Department of Defense, the National Cancer Institute, the Commission of the European Union, and the European Committee for Standardization and he is a member of the federal Joint Working Group on Telemedicine. He is a Captain in the U.S. Public Health Service and a Fellow of the American College of Preventive Medicine.

MICHAEL HATTWICK, M.D., is President of Woodburn Internal Medicine Associates, a private medical practice of internal and preventative medicine. Dr. Hattwick earned a bachelor's degree (cum laude) from Harvard University, a medical degree from Baylor, and an M.P.H. equivalent degree from the University of London. He is board certified in both preventative and internal medicine. Dr. Hattwick is currently a clinical assistant professor for the Departments of Medicine and Community and Family Medicine of Georgetown University School of Medicine, a Member of the Governing Council of the Virginia Chapter of the American College of Physicians, and a Trustee of the Virginia Society of Internal Medicine. Since 1978 he has been actively using computers to implement preventive medical guidelines in his clinical practice.

SUSAN D. HORN, Ph.D., is a Senior Scientist for the Institute for Clinical Outcomes Research and a professor of medical informatics are the University of Utah School of Medicine. Dr. Horn earned a bachelor's degree from Cornell University and a Ph.D. in statistics from Stanford. She was previously on the faculty at the Johns Hopkins University. Dr. Horn and colleagues developed the Severity of Illness Index, the Computerized Severity Index, and the Ambulatory Patient Severity system. She is a statistical consultant to a number of organizations and has authored over 100 publications