1. Physikalisch‐Technische Bundesanstalt (PTB) Braunschweig and Berlin Germany
2. Working Group on Cardiovascular Magnetic Resonance, Experimental and Clinical Research Center, a Joint Cooperation between the Charité Medical Faculty and the Max‐Delbrueck Center for Molecular Medicine Berlin Germany
3. Medical Physics in Radiology German Cancer Research Center (DKFZ) Heidelberg Germany
4. Faculty of Physics and Astronomy Heidelberg University Heidelberg Germany