1. Department
of Medicinal Chemistry, University of Minnesota, Minneapolis, Minnesota 55455, United States
2. Department
of Pharmacodynamics, University of Florida, Gainesville, Florida 32610, United States
3. Torrey Pines Institute for Molecular Studies, Port St. Lucie, Florida 34987, United States
4. Torrey Pines Institute for Molecular Studies, San Diego, California 92121, United States
5. College
of Pharmacy, Nova Southeastern University, Fort Lauderdale, Florida 33328, United States
6. Department
of Pharmacology and Physiology, Georgetown University, Washington, D.C. 20057, United States