1. Department of Head and Neck Surgery, Kaiser Permanente Oakland Medical Center, Oakland
2. Department of Head and Neck Surgery, Division of Facial Plastic and Reconstructive Surgery, David Geffen School of Medicine at UCLA
3. UCLA School of Dentistry, Section of Oral and Maxillofacial Surgery, Los Angeles, CA
4. University of Colorado Health, Plastic and Reconstructive Surgery, Aurora, CO
5. Section of Maxillofacial Prosthetics, UCLA School of Dentistry, Los Angeles, CA