Berend J. van Welzen a, Karel J. van Erpecum b, Pieter-Jan A. Haas c, Fiebo J. ten Kate d, Tania Mudrikova a, ⁎
a Department of Internal Medicine and Infectious Diseases, University Medical Center, Heidelberglaan 100, PO Box 85500, F.02.126, 3508 GA Utrecht, The Netherlands
b Department of Gastroenterology and Hepatology, University Medical Center, Heidelberglaan 100, PO Box 85500, F.02.126, 3508 GA Utrecht, The Netherlands
c Department of Medical Microbiology, University Medical Center, Heidelberglaan 100, PO Box 85500, F.02.126, 3508 GA Utrecht, The Netherlands
d Department of Pathology, University Medical Center, Heidelberglaan 100, PO Box 85500, F.02.126, 3508 GA Utrecht, The Netherlands