1. Max-Planck-Institut für Chemie; D-55020; Mainz; Germany
2. Monash University; Clayton, Victoria; 3800; Australia
3. Thermo Electron GmbH; Finnigan Advanced Mass Spectrometry; Hanna-Kunath-Str. 11,; D-28199; Bremen; Germany
4. Bundeskriminalamt; D-65173; Wiesbaden; Germany
5. Universität Würzburg, Am Hubland; D-97074; Würzburg; Germany
6. Council for Geoscience; Pretoria; 0001; South Africa
7. University of Victoria; Victoria, British Columbia; Canada; V8W 3P6
8. Gothenburg University; SE-40530; Göteborg; Sweden
9. Royal Canadian Mounted Police - Forensic Laboratory Services; 1200 Vanier Parkway,; Ottawa, Ontario; Canada; K1A 0R2
10. University of Tasmania; Hobart, Tasmania; 7001; Australia
11. Leibniz-Institut für Meereswissenschaften; IFM-GEOMAR; Wischofstr. 1-3,; D-24148; Kiel; Germany
12. Universität Mainz; D-55099; Mainz; Germany
13. ETH Hönggerberg; CH-8093; Zürich; Switzerland
14. Department of Terrestrial Magnetism; Carnegie Institution of Washington; 5241 Broad Branch Road,; Washington, DC; 20015; USA
15. Universität Frankfurt; Senckenberganlage 28,; D-60054; Frankfurt; Germany
16. Universität Kiel; Olshausenstr. 40,; D-24098; Kiel; Germany
17. University of Edinburgh; West Mains Road,; Edinburgh; EH9 3JW; UK
18. Department of Geosciences; Oregon State University, 104 Wilkinson Hall; Corvallis; Oregon; 97331-5506; USA
19. Universität Heidelberg; Im Neuenheimer Feld 236,; D-69120; Heidelberg; Germany
20. Utrecht University; Budapestlaan 4,; 3584 CD; Utrecht; Netherlands
21. GeoForschungsZentrum Potsdam; Telegrafenberg 1,; D-14473; Potsdam; Germany
22. National Institute of Polar Research; 9-10, Kaga 1-chome,; Itabashi-ku, Tokyo; 173-8515; Japan
23. University of Utah; 135 South 1460 East,; Salt Lake City; Utah; 84111; USA
24. U.S. Geological Survey, MS 963; Denver; Colorado; 80225-0046; USA
25. C.N.R.-Istituto di Geoscienze e Georisorse (I.G.G.) Sezione di Pavia; Via Ferrata 1,; I-27100; Pavia; Italy
26. Università di Pavia; via Ferrata 1,; I-27100; Pavia; Italy
27. Los Alamos National Laboratory; Los Alamos; New Mexico; 87545; USA
28. University of Melbourne; Melbourne, Victoria; 3010; Australia