1. University of North Carolina at Chapel Hill, Department of Biomedical Engineering, Chapel Hill, North Carolina, United States
2. Elon University, Department of Engineering, Elon, North Carolina, United States
3. University of North Carolina at Chapel Hill, Marsico Lung Institute/Cystic Fibrosis/Pulmonary Research and Treatment Center, Chapel Hill, North Carolina, United States
4. University of North Carolina at Chapel Hill, Department of Physics and Astronomy, Chapel Hill, North Carolina, United States
5. North Carolina State University, Department of Materials Science and Engineering, Raleigh, North Carolina, United States