1. Department of Chemistry and Biochemistry; Florida Atlantic University; Jupiter FL 33458
2. Departments of Chemistry and Biology; Torrey Pines Institute for Molecular Studies; Port St. Lucie FL 34987
3. Department of Materials Science and Engineering and A.J. Drexel Nanotechnology Institute; Drexel University; Philadelphia PA 19104
4. Department of Chemistry; The Scripps Research Institute/Scripps Florida; Jupiter FL 33458