1. Computing and Clinical Research Lab, Department of Otolaryngology/Head and Neck Surgery; University of North Carolina School of Medicine; Chapel Hill NC 27599 USA
2. Division of Head and Neck Surgery & Communication Sciences; Duke University Medical Center; Durham NC 27710 USA
3. Computational Biology and Bioinformatics Program; Duke University; Durham NC 27708 USA
4. Department of Mechanical Engineering and Materials Science; Duke University; Durham NC 27708 USA