1. Division of Cardiology, Pulmonology and Vascular Medicine, Medical Faculty, University Duesseldorf, Germany
2. Department of Clinical and Experimental Medicine, Faculty of Health and Medical Science, University of Surrey, UK
3. Philips GmbH, Innovative Technologies, Germany
4. Department of Trauma and Hand Surgery, Medical Faculty, University Duesseldorf, Germany
5. Heinrich-Heine University, Germany
6. Surrey and Sussex NHS Healthcare Trust, UK