1. Department of Journal of General Microbiology and Immunology, University of Tennessee and Veterans Affairs Medical Center, Memphis, Tennessee 38163, USA
2. Department of Bacteriology, Institute for Medical Journal of General Microbiology and Immunology, University of Copenhagen, DK-2100, Denmark
3. Department of Journal of General Microbiology, Technical University of Denmark, Lyngby, DK-2800, Denmark
4. Department of Clinical Journal of General Microbiology, University Hospital (Rigshospitalet), Copenhagen N, DK-2200, Denmark
5. Department of Clinical Biochemistry, University Hospital (Rigshospitalet), Copenhagen N, DK-2200, Denmark