1. Department of Chemistry; University at Albany; State University of New York; 1400 Washington Ave. Albany NY 12222 USA
2. Department of Chemistry; The Pennsylvania State University; 302 Chemistry Building University Park PA 16802 USA
3. Department of Biochemistry and Molecular Biology; The Pennsylvania State University; University Park PA 16802 USA
4. Department of Geological Sciences; University of Saskatchewan; 114 Science Place Saskatoon Saskatchewan S7N 5E2 Canada
5. Department of Chemistry and Biochemistry; University of Delaware; 163 The Green Newark DE 19716 USA
6. College of Medicine; University of Saskatchewan; 107 Wiggins Road Saskatoon Saskatchewan S7N 5E5 Canada
7. Department of Bioorganic Chemistry; Max Planck Institute for Chemical Ecology; Hans Knoll Strasse 8 07745 Jena Germany
8. Atlanta Metropolitan State College; 1630 Metropolitan Parkway SW Atlanta GA 30310 USA
9. United States Department of Agriculture; Agricultural Research Service; Grand Forks Human Nutrition Research Center; 2420 2nd Avenue North Grand Forks ND 58203 USA