V Zimmer1,2, K Emrich3. 1. Department of Medicine, Marienhausklinik St. Josef Kohlhof, Klinikweg 1-5, 66539, Neunkirchen, Germany. vincent.zimmer@gmx.de. 2. Department of Medicine II, Saarland University Medical Center, Saarland University, Homburg, Germany. vincent.zimmer@gmx.de. 3. Institute of Pathology Saarbrücken-Rastpfuhl, Saarbrücken, Germany.