1. Division of Infectious Diseases and Hospital Epidemiology, University Hospital Basel , Basel , Switzerland
2. Division of Clinical Bacteriology and Mycology, University Hospital Basel , Basel , Switzerland
3. Applied Microbiology Research, Department of Biomedicine, University of Basel , Basel , Switzerland
4. Department of Obstetrics, University Hospital Basel , Basel , Switzerland
5. Institute of Medical Genetics and Pathology, University Hospital Basel , Basel , Switzerland
6. Vetsuisse Faculty, Institute of Veterinary Pathology, University of Zurich , Zurich , Switzerland
7. Vetsuisse Faculty, National Reference Centre for Poultry and Rabbit Diseases, Institute for Food Safety and Hygiene, University of Zurich , Zurich , Switzerland