1. Department of Otolaryngology-Head and Neck Surgery, New York University Grossman School of Medicine, New York, New York, USA.
2. Medical Library at New York University Grossman School of Medicine, New York, New York, USA.
3. Division of Facial Plastic and Reconstructive Surgery, Department of Otolaryngology, Head and Neck Surgery, New York University Grossman School of Medicine, New York, New York, USA.