Computational Systems Biology, Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, D-28759 Bremen, Germany.|Institute for Digestive Research, Lithuanian University of Health Sciences, Kaunas, Lithuania.|Institute for Experimental Medicine, Christian Albrechts University of Kiel, Kiel, Germany.|Institute for Experimental Medicine, Christian Albrechts University of Kiel, Kiel, Germany.|Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Postbox 1171 Blindern, 0318 Oslo, Norway.|Institute of Epidemiology and Biobank PopGen, Christian Albrechts University of Kiel, Kiel, Germany.|Institute for Experimental Medicine, Christian Albrechts University of Kiel, Kiel, Germany.|Institute for Digestive Research, Lithuanian University of Health Sciences, Kaunas, Lithuania.|Computational Systems Biology, Department of Life Sciences and Chemistry, Jacobs University Bremen, Campus Ring 1, D-28759 Bremen, Germany.