1 Department for Gastroenterology, Metabolic Disorders and Intensive Care Medicine (Medical Clinic III), RWTH Aachen University, Aachen, Germany.
2 Department of Neurosurgery, RWTH Aachen University, Aachen, Germany.
3 Division of Nephrology and Clinical Immunology, RWTH Aachen University, Aachen, Germany.
4 Institute of Experimental Medicine and Systems Biology, RWTH Aachen University, Aachen, Germany.
5 Department for Gastroenterology, Metabolic Disorders and Intensive Care Medicine (Medical Clinic III), University Hospital RWTH Aachen, RWTH Aachen, Pauwelsstr. 30, 52074, Aachen, Germany. [email protected].