1. Department of Internal Medicine, division of Nephrology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
2. Department of Laboratory Medicine, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
3. Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
4. Department of Acute Care, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands