1. Center for Environmental Medicine, Asthma, & Lung Biology, The University of North Carolina, Chapel Hill, Raleigh, NC, USA
2. Department of Kinesiology, University of North Carolina, Charlotte, NC, USA
3. NSF Nanosystems Engineering Research Center for Advanced Self-Powered Systems of Integrated Sensors and Technologies (ASSIST), North Carolina State University, Raleigh, NC, USA
4. VitalFlo, Inc