1. University of California San FranciscoSan Francisco, California
2. Louisiana State UniversityNew Orleans, Louisiana
3. University of VirginiaCharlottesville, Virginia
4. Arizona Pulmonary SpecialistsPhoenix, Arizona
5. Kentuckiana Pulmonary AssociatesLouisville, Kentucky
6. Cottage HealthSanta Barbara, California
7. AnMed HealthAnderson, South Carolina