1. Akron General Hospital, Akron, Ohio
2. Evidence-Based Practice Center, Mayo Clinic, Rochester, Minnesota
3. Indiana University School of Medicine, Indianapolis, Indiana
4. Department of Pulmonary and Critical Care Medicine
5. Department of Pulmonary and Critical Care Medicine, Westchester Medical Center, Valhalla, New York
6. Department of Pulmonary Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas
7. Department of Medicine, University of Arizona College of Medicine, Tucson, Arizona
8. Banner University Medical Center Tucson, Tucson, Arizona
9. Pulmonary Division, Indiana University, Indianapolis, Indiana; and
10. Tulane School of Medicine, New Orleans, Louisiana
11. Department of Laboratory Medicine and Pathology
12. Mayo Clinic Libraries
13. Division of Thoracic Diseases, and