1. Berlin Ultrahigh Field Facility (B.U.F.F.); Max-Delbrueck-Center for Molecular Medicine; Berlin Germany
2. Medical Metrology, Physikalisch Technische Bundesanstalt; Berlin Germany
3. Institute of Neuroradiology, University Medicine Goettingen; Goettingen Germany
4. NeuroCure Clinical Research Center; Charité - University Medicine Berlin; Berlin Germany
5. Experimental and Clinical Research Center (ECRC), a joint cooperation between the Charité Medical Faculty and the Max-Delbrueck-Center for Molecular Medicine; Berlin Germany