1. Department of Thoracic Medicine & Surgery, Physiology & Pediatrics, and Temple Lung Center Lewis Katz School of Medicine at Temple University Philadelphia Pennsylvania USA
2. Department of Anesthesiology The University of Texas Medical Branch Galveston Texas USA
3. College of Pharmacy The University of Texas at Austin Austin Texas USA
4. Cellular and Molecular Biology and the Texas Lung Institute The University of Texas Health Science Center at Tyler Tyler Texas USA
5. Biomedical Research School of Medicine Temple and Thomas Jefferson Schools of Medicine Alfred I. duPont Hospital for Children Wilmington Delaware USA