aDepartment of Medical Physics, Royal Infirmary of Edinburgh, Edinburgh, UK
bDepartment of Biomedical Engineering, ESIL, Université de la Méditerranée, Aix-Marseille II, France
cPhysiklisch-Technische Bundesanstalt, Abbestrasse 2-12, 10587, Berlin, Germany
dRegional Medical Physics Department, Freeman Hospital, University of Newcastle, Newcastle upon Tyne, UK
Correspondence and requests for reprints to Dr John Amoore, Department of Medical Physics, Royal Infirmary of Edinburgh, 51 Little France Crescent, Edinburgh EH16 4SA, UK
E-mail: [email protected]
Sponsorship: The work was partly funded by a grant from the European Community under the ‘Competitive and Sustainable Growth’ programme, Grant G6RD-CTC-2002-00706. E.V. was partly funded by a grant from Université de la Méditerranée, Aix-Marseille II.
Received 5 August 2005; Revised 14 October 2005; Accepted 15 October 2005