1. Biomedical Microbiology, BioSys, Bldg. 227, Technical University of Denmark, Kgs. Lyngby DK-2800
2. Department of Clinical Microbiology, Rigshospitalet, University of Copenhagen, Copenhagen DK-2100, Denmark
3. Physiology, Cultures & Enzymes Division, Chr-Hansen A/S, Bøge Allé 10-12, Hørsholm DK-2970