1. McGovern Medical School; University of Texas Health Sciences Center at Houston; Houston TX USA
2. Department of Pulmonary Medicine; The University of Texas MD Anderson Cancer Center; Houston TX USA
3. Interventional Pulmonology Unit, Santiago Alemana Clinic; Desarrollo University; Santiago Chile
4. Department of Cytology; The University of Texas MD Anderson Cancer Center; Houston TX USA
5. Department of Anesthesiology; The University of Texas MD Anderson Cancer Center; Houston TX USA