1. Department of Chemistry, Oakland University, 146 Library Drive, Rochester, MI 48309-4479, USA
2. Department of Chemistry, Portland State University, 1710 SW 10th Ave, Portland, OR 97201, USA
3. Department of Forensic Science and Environmental and Life Sciences Program, Trent University, ON, K9 L0G2, Canada
4. Water Quality Centre, Trent University, ON, K9L 0G2, Canada
5. Department of Osteopathic Medicine, Midwestern University, 555 31st St., Downers Grove, IL 60515, USA