1. Department of Otolaryngology–Head & Neck Surgery, Washington University School of Medicine, St Louis, Missouri
2. Department of Dermatology, Washington University School of Medicine, St Louis, Missouri
3. Department of Medicine, Washington University School of Medicine, St Louis, Missouri
4. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology–Head & Neck Surgery, Johns Hopkins University School of Medicine, Bethesda, Maryland