1. Department of General, Visceral and Thoracic Surgery, Klinikum Peine Academic Hospital of Medical University Hannover, Germany.
2. Center of Microbiology and Infectiology, Berlin, Germany.
3. Klinikum Barnim GmbH, Werner Forßmann Hospital, Clinic of Medical Intensive Care and Interdisciplinary Emergency Care, Eberswalde, Germany.
4. Pfizer Pharma GmbH, Berlin, Germany.