1. Institute of Medical Microbiology, University Hospital Münster, Münster, Germany
2. Department of Anesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Münster, Münster, Germany
3. Division of Adult Congenital and Valvular Heart Disease, Department of Cardiovascular Medicine, University Hospital Münster, Münster, Germany
4. Institute of Hygiene, University Hospital Münster, Münster, Germany