1. Pulmonary/Sleep and Critical Care Medicine, San Antonio Military Medical Center, 3551 Roger Brooke Dr, San Antonio, TX
2. US Naval Hospital Guam, PSC 490 Box 208, FPO, AP, Guam
3. Southeast Lung Associates, 330 Hodgson Ct, Savannah, GA
4. Respira Medical, Inc. 09 Pinnacle Drive, Suite R, Linthicum, MD
5. Walter Reed National Military Medical Center, 8901 Wisconsin Ave, Bethesda, MD
6. University of Nebraska-Lincoln, 840S 14th St, Lincoln, NE
7. Engineering and Scientific Research Associates, 2330 Jeong H. Kim Engineering Building, College Park, MD
8. Fischell Department of Bioengineering University of Maryland, College Park, 2330 Jeong H. Kim Engineering Building College Park, MD