Affiliation: | (1) Centre for Cell and Molecular Medicine, School of Postgraduate Medicine, Keele University, North Staffordshire Hospital Centre, Stoke-on-Trent ST4 7LN, UK e-mail: med13@keele.ac.uk, Tel.: +44-1782-555008, Fax: +44-1782-555008, GB;(2) Department of Neuroradiology, School of Postgraduate Medicine, Keele University, North Staffordshire Hospital Centre, Stoke-on-Trent ST4 7LN, UK, GB |