1. Department of Physiology and PharmacologyStrathclyde Institute for Biomedical SciencesUniversity of Strathclyde Glasgow G4 0NR United Kingdom
2. Department of MedicineUniversity of ChicagoCenter for Integrative Science Building Chicago Illinois 60637
3. Department of PhysiologyUniversity of Tennessee Health Science Center Memphis Memphis Tennessee
4. Respiratory and Inflammation Center for Excellence in Drug DiscoveryGlaxo Smith KlineKing of Prussia Pennsylvania 19406