Affiliation: | 1. Institute for Advanced Biosciences, Keio University, Tsuruoka, 997-0017, Japan;2. School of Biosciences, Geoffrey Pope Building, University of Exeter, Stocker Road, Exeter, EX4 4QD, UK;3. Microbiology Section, Department of Medicine, The Flowers Building, Imperial College London, London, SW7 2AZ, UK |