1. Department of Otolaryngology - Head and Neck Surgery, University of Minnesota Medical School, Minneapolis, Minnesota, USA
2. AeroCore, Department of Otolaryngology – Head and Neck Surgery, University of Minnesota Medical School, Minneapolis, Minnesota, USA
3. Center for Mass Spectrometry & Proteomics, Department of Biochemistry, Molecular Biology & Biophysics, University of Minnesota, Minneapolis, Minnesota, USA