RWTH Univerity Hospital, Department of Cardiology, Pneumology, Vascular Medicine and Intensive Care Medicine, Aachen, Germany
University Hospital Aachen, Aachen, Germany
Marienhospital Wiiten, vascular surgery, Witten, Germany
University Hospital Aachen, vascular surgery, Aachen, Germany
Clinic of Rehabilitation "An der Rosenquelle", Kurbrunnenstreet 5, Aachen, North Rhine Westphalia, Germany
University Hospital Aachen, Department of Cardiology, Angiology, Pneumology and Intensive Medicine, Aachen, North Rhine Westphalia, Germany
Clinic of Rehabilitation "An der Rosenquelle", Aachen, North Rhine Westphalia, Germany
Clinic of Cardiology, Angiology, Pneumology and Intensive Medicine, University Hospital Aachen, Aachen, North Rhine Westphalia, Germany
Department of Cardiology, RWTH Aachen University Hospital, Aachen, North Rhine Westphalia, Germany
University Hospital RWTH Aachen, Aachen, Germany
RWTH Aachen University; Department of Anesthesia, Aachen, Germany
Kreiskliniken Reutlingen, Department of Anesthesia, Reutlingen, Germany
University Hospital Ulm, Department of Anesthesia, Ulm, Germany
Medizinische Klinik I, Aachen, North Rhine Westphalia, Germany
University Hospital Aachen, Aachen, NRW, Germany