Lars Kaestner PhD, is principal investigator at Theoretical Medicine and Biosciences, Saarland University, Homburg, and Experimental Physics, Saarland University, Saarbrücken, Germany. He studies basic cellular mechanisms of the circulation (heart and red blood cells) using newest imaging methodsPeter Lipp is Professor and Head of the Institute for Molecular Cell Biology, Saarland University, in Homburg, Germany. The main focus of his institute lies on studying basic cellular mechanisms of the heart in its clinical context, with the aim to develop new therapies and treatment strategies.