Alan Murray, PhD
Newcastle University, Freeman Hospital, Newcastle upon Tyne,
NE7 7DN, UK
Willem Dassen, PhD
Maastricht University, Maastricht, 6199AD, The Netherlands
George Moody
Massachusetts Institute of Technology, Cambridge, MA 02139, USA
William Sanders, MS
Sanders Data Systems, Palo Alto, CA 94303, USA
Andrew Sims, PhD
Freeman Hospital, Newcastle upon Tyne, NE7 7DN, UK
Catherine D'Amico, MS
Pritzker Institute of Medical Engineering, Illinois Institute of
Technology, Chicago, IL 60616, USA