Department of Cardiology, Bern, Switzerland
Instituto de Cardiología Paredes-Horna, Arequipa, Peru
Dep. of Nephrology, Bern University Hospital, Bern, Switzerland
Department of Nephrology, University Hospital of Essen, Essen, Germany
Department of Nephrology, Hypertension and Clinical Pharmacology, Bern University Hospital, Bern, Switzerland
Bern University Hospital, Bern, Switzerland
Dept. of Intensive Care Medicine, University of Bern,, Bern, Switzerland
Dep. Anesthesiology and Pain Therapy, Bern, Switzerland
Inselspital, University Hospital Bern, University of Bern, Bern, Switzerland
Dep. Cardiovascular Surgery, Bern, Switzerland
Departement of Cardiology, Bern University Hospital, Bern, Switzerland
University Hospital Bern, Bern, Switzerland
Universitätsspital Zürich, Zürich, Switzerland
Department of Neurosurgery, University Hospital Bern, Bern, Switzerland
Hôpitaux Universitaires de Genève, Genève, Switzerland