From the Departments of Computer Science (J. West, J. M. Fitzpatrick, and M. Y. Wang), Electrical Engineering (B. M. Dawant), Biomedical Engineering (C. R. Maurer, Jr.), Radiology (R. M. Kessler), and Neurological Surgery (R. J. Maciunas), Vanderbilt University, Nashville, TN, Stanford University Medical Center, Stanford, CA (P. A. van den Elsen, S. Napel, and T. S. Sumanaweera), UCLA School of Medicine, Los Angeles, CA (R. P. Woods), Bowman Gray School of Medicine, Winston-Salem, NC (B. Harkness and P. F. Hemler), New York University Medical Center, New York, NY (M. E. Noz, G. Q. Maguire, Jr., and M. Pollack), University of Chicago Hospital, Chicago, IL (C. A. Pelizzari), and Mayo Clinic, Rochester, MN (R. A. Robb and D. Hanson), U.S.A.; Université de Rennes, Rennes (C. Barillot and D. Lemoine), and INRIA, Sophia Antipolis (G. Malandain and X. Pennec), France; Katholieke Universiteit, Leuven, Belgium (A. Collignon, F. Maes, P. Suetens, and D. Vandermeulen); UMDS, Guy's & St. Thomas' Hospitals, London, England (D. L. G. Hill, D. J. Hawkes, and C. Studholme); and University Hospital Utrecht, Utrecht, The Netherlands (J. B. A. Maintz and M. A. Viergever).
Address correspondence and reprint requests to Dr. J. M. Fitzpatrick at Department of Computer Science, Vanderbilt University, Box 1679 Station B, Nashville, TN 37235, U.S.A.