1. Cologne Interventional Immunology (CII), Department I of Internal Medicine, University Hospital of Cologne, Cologne, Germany
2. Department of Hematology, Vall d’Hebron University Hospital, Vall d’Hebron Research Institute (VHIR), Universitat Autònoma de Barcelona, Barcelona, Spain
3. Department of General, Visceral and Cancer Surgery, University Hospital of Cologne, Cologne, Germany
4. Department I of Internal Medicine, University Hospital of Cologne, Cologne, Germany
5. Laboratory for Neuronal Control of Metabolism, Max Planck Institute for Metabolism Research Cologne, Cologne, Germany