Affiliation: | 1. Interfaculty Institute for Genetics and Functional Genomics, University Medicine Greifswald. Felix-Hausdorff-Str. 8, Greifswald 17475, Germany;2. Department of Medical Microbiology, University of Groningen, Hanzeplein 1, P.O. Box 30001, Groningen 9700, the Netherlands |