1. Micro NDT Bundesanstalt für Materialforschung und -prüfung (BAM) Unter den Eichen 87 Berlin 12205 Germany
2. Siemens Energy Gas and Power Huttenstraße 12 Berlin 10553 Germany
3. The University of Manchester at Harwell Harwell Science and Innovation Campus Didcot Oxfordshire OX11 0DE UK
4. Siemens Energy Gas and Power Mellinghofer Straße 55 Berlin 45473 Germany
5. Institute of Physics and Astronomy University of Potsdam Karl-Liebknecht-Str.24-25 Potsdam 14476 Germany