1 Institute of Experimental Virology, TWINCORE, Centre for Experimental and Clinical Infection Research GmbH; a joint venture between the Medical School Hannover (MHH) and the Helmholtz Centre for Infection Research (HZI), Hannover, Germany.
2 Department of Gastroenterology, Hepatology and Endocrinology, Hannover Medical School, Hannover, Germany.
3 German Center for Infectious Disease Research (DZIF), Partner Site Hannover-Braunschweig, Braunschweig, Germany.