1. Department of Otolaryngology–Head and Neck Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
2. Malone Center for Engineering in Healthcare, Whiting School of Engineering, Johns Hopkins University, Baltimore, Maryland
3. Facial Plastic SurgiCenter, Baltimore, Maryland
4. Department of Surgery, Washington DC Veterans Affairs Medical Center
5. Department of Otolaryngology–Head and Neck Surgery, MedStar Georgetown University Hospital, Washington, DC