1. IsoForensics, Inc., 421 Wakara Way, Suite 100, Salt Lake City, UT 84108, USA.
2. SIRFER Lab, Department of Biology, University of Utah, 257 S 1400 E, Salt Lake City, UT 84112, Usa.
3. Environment and Materials Division, National Isotope Center, GNS Science, TE PU AO, 30 Gracefield Road, Seaview, PO Box 31 312, Lower Hutt 5040, New Zealand.
4. Forensic and Scientific Services, Health Support Queensland, 39 Kessels Road, Coopers Plains QLD 4108, Australia.