1. Department of Otorhinolaryngology–Head and Neck Surgery, School of Medicine, University of Maryland, Baltimore
2. Department of Otorhinolaryngology–Head and Neck Surgery, University of Maryland Medical System, Baltimore
3. Department of Emerging Technology, Health Sciences and Human Services Library, University of Maryland, Baltimore
4. Division of Plastic Surgery, Penn State Hershey Medical Center, Hershey, Pennsylvania
5. Department of Otorhinolaryngology, Head and Neck Surgery, Veterans Affairs Maryland Health Care System, Baltimore