1. Department of Chemistry, University of North Texas, 1508 W Mulberry St, Denton, Texas 76201, United States
2. Department of Chemistry, University of Georgia, 140 Cedar Street, Athens, Georgia 30602, United States
3. Department of Chemistry, University of South Florida, 4202 E. Fowler Avenue, Tampa, Florida 33620, United States
4. Colgate Palmolive Co, 909 River Road, Piscataway, New Jersey 08855, United States