1. Department of Chemistry and BiochemistryBerry College Mount Berry Georgia 30165 USA
2. Department of Pharmacology and ToxicologyUniversity of Alabama at Birmingham Birmingham Alabama 35205 USA
3. Vanderbilt Center for Neuroscience Drug Discovery Nashville Tennessee 37232 USA
4. Departments of Medicine and PediatricsUniversity of Alabama at Birmingham Birmingham Alabama 35205 USA
5. Gregory Fleming James Cystic Fibrosis Research CenterUniversity of Alabama at Birmingham Birmingham Alabama 35205 USA
6. Department of Cell, Development, and Integrative BiologyUniversity of Alabama at Birmingham Birmingham Alabama 35205 USA