1. Berlin Ultrahigh Field Facility (B.U.F.F.); Max-Delbrueck Center for Molecular Medicine; Berlin Germany
2. Experimental and Clinical Research Center (ECRC); a joint cooperation between the Charité Medical Faculty and the Max-Delbrueck Center for Molecular Medicine; Berlin Germany
3. Physikalisch Technische Bundesanstalt (PTB); Braunschweig and Berlin Germany