Affiliation: | 1. Novacta Biosystems Ltd., BioPark Hertfordshire, Welwyn Garden City, Hertfordshire AL7 3AX, UK;2. Antimicrobial Research Centre and Institute of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, UK;3. Institut für Medizinische Mikrobiologie und Immunologie, Universität Bonn, 53105 Bonn, Germany |