Medizinische Klinik I Uniklinik RWTH Aachen, Aachen, NRW, Germany
Krankenhaus Merheim, Köln, NRW, Germany
Florence-Nightingale Hospital, Düsseldorf, Germany
Department of Cardiology, Pneumology, Vascular Medicine and Intensive Care Medicine, RWTH Aachen University Hospital, Aachen, North Rhine-Westphalia, Germany
RWTH Univerity Hospital MK1, Aachen, Germany
Department of Neurosurgery, University Hospital RWTH Aachen, Aachen, NRW, Germany
University Hospital RWTH Aachen, Department for Anesthesia, Aachen, North-Rhine Westfalia, Germany
Department of Internal Medicine I, University Hospital, Aachen, Germany
Cardiovascular Research Institute Maastricht (CARIM), Maastricht, Netherlands
Hospital Coburg, Med. Clinic II for Internal Medicine and Cardiology, Coburg, Bavaria, Germany
University Hospital Aachen, Department of Cardiology, Aachen, North Rhine Westphalia, Germany
St.-Antonius-Hospital Eschweiler, Internal Medicine, Eschweiler, North Rhine Westphalia, Germany
University Hospital Aachen, Aachen, NRW, Germany
regioMed-Kliniken GmbH, Coburg, Bayern, Germany
Department of Internal Medicine I University Hospital RWTH Aachen, Aachen, NRW, Germany
University Hospital Würzburg, Würzburg, Bayern, Germany
Department of Anaesthesiology, University Hospital Aachen, Aachen, North Rhine-Westphalia, Germany