1 Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Germany; Deutsches Zentrum Immuntherapie, DZI Erlangen, Germany.
2 Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Germany; Deutsches Zentrum Immuntherapie, DZI Erlangen, Germany; Institute of Physiology and Pathophysiology, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany.
3 Department of Neuroradiology, Friedrich-Alexander-University Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Germany.
4 Institute of Physiology and Pathophysiology, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany.
5 Department of Medicine 1, Friedrich-Alexander-University Erlangen-Nürnberg and University Hospital Erlangen, Erlangen, Germany; Deutsches Zentrum Immuntherapie, DZI Erlangen, Germany; Department of Gastroenterology and Hepatology, University Hospital Zürich, University of Zürich, Zürich, Switzerland. andreas.kremer@usz.ch.