1. Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
2. Division of Otolaryngology - Head & Neck Surgery, University of Utah School of Medicine, Salt Lake City, UT, USA
3. Department of Head and Neck Surgery, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, CA, USA
4. Division of Plastic and Reconstructive Surgery, University of California, Los Angeles, David Geffen School of Medicine, Los Angeles, CA, USA