Studienzentrum Orthopädie & Unfallchirurgie, Cologne, NRW, Germany
Department of Pharmacology I, University Hospital Cologne, Cologne, NRW, Germany
University Hospital of Schleswig-Holstein, Lubeck, Schleswig-Holstein, Germany
Nierenzentrum Lübeck, Lübeck, Schleswig-Holstein, Germany
University Hospital of Wuerzburg, ZIM, Wuerzburg, Bayern, Germany
Heart Center of the University of Cologne, Cologne, Germany
1st Department of Medicine, Cologne University Hospital, Cologne, Germany
Department of Pharmacology, Cologne, Northrhine Westphalia, Germany