1. Department of Pneumology and Intensive Care Medicine, University Hospital RWTH Aachen, Aachen, Germany;
2. Institute of Life Sciences, Sant’Anna School of Advanced Studies, Pisa, Italy;
3. Department of Neurology with Institute for Translational Neurology, University Hospital of Muenster, Muenster, Germany; and
4. Department of Medicine, UKM Marienhospital Steinfurt, Steinfurt, Germany