1. Department of Chemistry, Physics & Astronomy, Georgia College, Milledgeville, Georgia, USA
2. Division of Pharmaceutical Analysis, Center for Drug Evaluation and Research, US Food and Drug Administration, St. Louis, Missouri, USA
3. Department of Chemistry, Forensic Science, and Oceanography, Palm Beach Atlantic University, West Palm Beach, Florida, USA
4. Department of Chemistry, University of Missouri, Columbia, Missouri, USA
5. Department of Chemistry, University of Arkansas at Little Rock, Arkansas, USA
6. Department of Chemistry, Ball State University, Muncie, Indiana, USA