1. Prosolia Inc.; Indianapolis IN 46202 USA
2. LifeLabs Medical Laboratory Services; Burnaby BC V5G 4V8 Canada
3. Vancouver Island University; Applied Environmental Research Laboratories (AERL), Chemistry Department; Nanaimo BC V9R 5S5 Canada
4. University of Victoria; Department of Chemistry; Victoria BC V8P 5C2 Canada
5. Simon Fraser University; Department of Chemistry; Burnaby BC V5A 1S6 Canada
6. University of Washington; Department of Environmental and Occupational Health Sciences; Seattle WA 98195 USA