
Biography
Dr Clemens von Birgelen is a professor of cardiology at the University of Twente, Enschede, and co-director of the Department of Cardiology at Thoraxcentrum Twente, Medisch Spectrum Twente, Enschede, the Netherlands.
Dr Clemens von Birgelen is a professor of cardiology at the University of Twente, Enschede, and co-director of the Department of Cardiology at Thoraxcentrum Twente, Medisch Spectrum Twente, Enschede, the Netherlands.