1. Department of Energy, Environment and Health; Instituto de Ciencia de Materiales de Madrid, ICMM/CSIC; Sor Juana Inés de la Cruz 3 28049 Madrid Spain
2. Micromod Partikeltechnologie GmbH; Friedrich-Barnewitz-Str. 4 D-18119 Rostock Germany
3. NanoPET Pharma GmbH; D-10115 Berlin Germany
4. The Swedish Research Institute; Box 5607 SE-114 86 Stockholm Sweden
5. Department of Physics; Technical University of Denmark; Fysikvej 2800 Kongens Lyngby Denmark
6. Healthcare Biomagnetics Laboratory; University College of London; 21 Albemarle Street London W1S 4BS UK
7. Physikalisch-Technische Bundesanstalt; Abbestr. 2-12 10587 Berlin Germany
8. Department of Applied Physics; Chalmers University of Technology; SE-41296 Gothenburg Sweden
9. Department of CITIMAC; University of Cantabria; 39005 Santander Spain
10. Institute of Electrical Measurement and Fundamental Electrical Engineering; TU Braunschweig 38106 Braunschweig Germany
11. Department of Micro- and Nanotechnology; Technical University of Denmark; DK-2800 Kongens Lyngby Denmark
12. Department of Engineering Sciences; Ångström Laboratory; Uppsala University; SE-75121 Uppsala Sweden
13. Instituto de Ciencia de Materiales de Madrid; ICMM/CSIC; Sor Juana Inés de la Cruz 3 28049 Madrid Spain
14. RISE Acreo; P.O. Box 53071 SE-40014 Göteborg Sweden