1. Department of Surgery, Emory University School of Medicine, Atlanta, GA.
2. Clínica Foianini, Santa Cruz de la Sierra, Bolivia.
3. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Emory University School of Medicine, Atlanta, GA.
4. Division of Oral and Maxillofacial Surgery, Department of Surgery, Emory University School of Medicine, Atlanta, GA.
5. Division of Cardiothoracic Surgery, Department of Surgery, Emory University School of Medicine, Atlanta, GA.
6. Department of Biostatistics and Bioinformatics, Emory University Rollins School of Public Health, Atlanta, GA.
7. Emory University School of Medicine, Atlanta, GA.
8. Division of Head and Neck Surgery, University of São Paulo, São Paulo, Brazil.
9. Division of Otolaringology, University of São Paulo, São Paulo, Brazil.
10. Division of Thoracic Surgery, University of São Paulo, São Paulo, Brazil.
11. University of São Paulo, São Paulo, Brazil.
12. Division of General Surgery and Trauma, University of São Paulo, São Paulo, Brazil.
13. Department of Respiratory Care, Prince Sultan Military College of Health Sciences, Dhahran, Saudi Arabia.
14. Section of Interventional Pulmonology, Pulmonary Service, Department of Medicine, Memorial Sloan Kettering Cancer Center, New York City, NY.
15. Department of Surgery, Morehouse School of Medicine, Atlanta, GA.
16. Philadelphia College of Osteopathic Medicine Georgia Campus, Suwanee, GA.
17. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Riverside Health System, Newport News, VA.
18. Department of Surgery, Royo Villanova Hospital, Zaragoza, Spain.
19. Department of Critical Care Medicine, Royo Villanova Hospital, Zaragoza, Spain.
20. Department of Surgery, Stanford University, Stanford, CA.
21. Department of Surgery, University of California San Francisco, San Francisco, CA.
22. School of Medicine, University of California San Francisco, San Francisco, CA.
23. Division of Acute Care Surgery, Department of Surgery, University of Missouri School of Medicine, Columbia, MO.