1. Department
of Chemistry, University of Connecticut, Storrs, Connecticut 06269, United States
2. Departamento
de Química, Universidade Federal de São Carlos, São
Carlos, SP 13565-905, Brazil
3. Department of Pharmacology & Physiology, George Washington University, Washington, DC 20037, United States
4. Department
of Cell Biology, University of Connecticut Health Center, Farmington, Connecticut 06032, United States
5. School
of Chemistry, National University of Ireland at Galway, Galway, Ireland